Home / 1,583.28-2,374.95-487.62

Finding the Fourth Proportional to 1,583.28, 2,374.95 and 487.62

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Solution

The fourth proportional to 1,583.28, 2,374.95 and 487.62 is: 731.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,583.28 : 2,374.95 = 487.62 : x
  2. Step 2: Convert to fraction form
    1,583.28/2,374.95 = 487.62/x
  3. Step 3: Cross multiply
    1,583.28x = 2,374.95 × 487.62
  4. Step 4: Simplify right side
    1,583.28x = 1,158,074.95
  5. Step 5: Solve for x
    x = 1,158,074.95/1,583.28
  6. Step 6: Final answer
    x = 731.44

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Double scale
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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.