Home / 1,263.17-1,895.06-397.48

Finding the Fourth Proportional to 1,263.17, 1,895.06 and 397.48

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Solution

The fourth proportional to 1,263.17, 1,895.06 and 397.48 is: 596.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263.17 : 1,895.06 = 397.48 : x
  2. Step 2: Convert to fraction form
    1,263.17/1,895.06 = 397.48/x
  3. Step 3: Cross multiply
    1,263.17x = 1,895.06 × 397.48
  4. Step 4: Simplify right side
    1,263.17x = 753,246.46
  5. Step 5: Solve for x
    x = 753,246.46/1,263.17
  6. Step 6: Final answer
    x = 596.32

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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.