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Finding the Fourth Proportional to 3,649.00, 5,472.35 and 1,183.25

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Solution

The fourth proportional to 3,649.00, 5,472.35 and 1,183.25 is: 1,774.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,649.00 : 5,472.35 = 1,183.25 : x
  2. Step 2: Convert to fraction form
    3,649.00/5,472.35 = 1,183.25/x
  3. Step 3: Cross multiply
    3,649.00x = 5,472.35 × 1,183.25
  4. Step 4: Simplify right side
    3,649.00x = 6,475,124.86
  5. Step 5: Solve for x
    x = 6,475,124.86/3,649.00
  6. Step 6: Final answer
    x = 1,774.49

Related Problems

Find fourth proportional to 1,824.50, 2,736.17 and 591.62
Half scale
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Double scale
Find fourth proportional to 3,650, 5,473.84 and 1,184.25
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.