Home / 1,531.35-2,298.24-557.73

Finding the Fourth Proportional to 1,531.35, 2,298.24 and 557.73

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Solution

The fourth proportional to 1,531.35, 2,298.24 and 557.73 is: 837.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531.35 : 2,298.24 = 557.73 : x
  2. Step 2: Convert to fraction form
    1,531.35/2,298.24 = 557.73/x
  3. Step 3: Cross multiply
    1,531.35x = 2,298.24 × 557.73
  4. Step 4: Simplify right side
    1,531.35x = 1,281,797.40
  5. Step 5: Solve for x
    x = 1,281,797.40/1,531.35
  6. Step 6: Final answer
    x = 837.04

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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.