Home / 1,263.62-1,895.52-397.92

Finding the Fourth Proportional to 1,263.62, 1,895.52 and 397.92

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Solution

The fourth proportional to 1,263.62, 1,895.52 and 397.92 is: 596.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263.62 : 1,895.52 = 397.92 : x
  2. Step 2: Convert to fraction form
    1,263.62/1,895.52 = 397.92/x
  3. Step 3: Cross multiply
    1,263.62x = 1,895.52 × 397.92
  4. Step 4: Simplify right side
    1,263.62x = 754,265.32
  5. Step 5: Solve for x
    x = 754,265.32/1,263.62
  6. Step 6: Final answer
    x = 596.91

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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.