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Finding the Fourth Proportional to 1,800.12, 2,484.48 and 1,136.76

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Solution

The fourth proportional to 1,800.12, 2,484.48 and 1,136.76 is: 1,568.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,800.12 : 2,484.48 = 1,136.76 : x
  2. Step 2: Convert to fraction form
    1,800.12/2,484.48 = 1,136.76/x
  3. Step 3: Cross multiply
    1,800.12x = 2,484.48 × 1,136.76
  4. Step 4: Simplify right side
    1,800.12x = 2,824,257.48
  5. Step 5: Solve for x
    x = 2,824,257.48/1,800.12
  6. Step 6: Final answer
    x = 1,568.93

Related Problems

Find fourth proportional to 900.06, 1,242.24 and 568.38
Half scale
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Double scale
Find fourth proportional to 1,801.12, 2,485.86 and 1,137.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.