Home / 1,552.14-2,328.18-397.89

Finding the Fourth Proportional to 1,552.14, 2,328.18 and 397.89

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Solution

The fourth proportional to 1,552.14, 2,328.18 and 397.89 is: 596.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,552.14 : 2,328.18 = 397.89 : x
  2. Step 2: Convert to fraction form
    1,552.14/2,328.18 = 397.89/x
  3. Step 3: Cross multiply
    1,552.14x = 2,328.18 × 397.89
  4. Step 4: Simplify right side
    1,552.14x = 926,359.54
  5. Step 5: Solve for x
    x = 926,359.54/1,552.14
  6. Step 6: Final answer
    x = 596.83

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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.