Home / 1,102.29-1,521.20-604.97

Finding the Fourth Proportional to 1,102.29, 1,521.20 and 604.97

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Solution

The fourth proportional to 1,102.29, 1,521.20 and 604.97 is: 834.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102.29 : 1,521.20 = 604.97 : x
  2. Step 2: Convert to fraction form
    1,102.29/1,521.20 = 604.97/x
  3. Step 3: Cross multiply
    1,102.29x = 1,521.20 × 604.97
  4. Step 4: Simplify right side
    1,102.29x = 920,269.73
  5. Step 5: Solve for x
    x = 920,269.73/1,102.29
  6. Step 6: Final answer
    x = 834.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.