Home / 2,384.12-3,291.21-1,588.76

Finding the Fourth Proportional to 2,384.12, 3,291.21 and 1,588.76

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Solution

The fourth proportional to 2,384.12, 3,291.21 and 1,588.76 is: 2,193.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,384.12 : 3,291.21 = 1,588.76 : x
  2. Step 2: Convert to fraction form
    2,384.12/3,291.21 = 1,588.76/x
  3. Step 3: Cross multiply
    2,384.12x = 3,291.21 × 1,588.76
  4. Step 4: Simplify right side
    2,384.12x = 5,228,957.20
  5. Step 5: Solve for x
    x = 5,228,957.20/2,384.12
  6. Step 6: Final answer
    x = 2,193.25

Related Problems

Find fourth proportional to 1,192.06, 1,645.61 and 794.38
Half scale
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Double scale
Find fourth proportional to 2,385.12, 3,292.59 and 1,589.76
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.