Home / 1,263.29-1,895.13-397.61

Finding the Fourth Proportional to 1,263.29, 1,895.13 and 397.61

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Solution

The fourth proportional to 1,263.29, 1,895.13 and 397.61 is: 596.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263.29 : 1,895.13 = 397.61 : x
  2. Step 2: Convert to fraction form
    1,263.29/1,895.13 = 397.61/x
  3. Step 3: Cross multiply
    1,263.29x = 1,895.13 × 397.61
  4. Step 4: Simplify right side
    1,263.29x = 753,522.64
  5. Step 5: Solve for x
    x = 753,522.64/1,263.29
  6. Step 6: Final answer
    x = 596.48

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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.