Home / 3,712.98-5,569.32-1,521.18

Finding the Fourth Proportional to 3,712.98, 5,569.32 and 1,521.18

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Solution

The fourth proportional to 3,712.98, 5,569.32 and 1,521.18 is: 2,281.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,712.98 : 5,569.32 = 1,521.18 : x
  2. Step 2: Convert to fraction form
    3,712.98/5,569.32 = 1,521.18/x
  3. Step 3: Cross multiply
    3,712.98x = 5,569.32 × 1,521.18
  4. Step 4: Simplify right side
    3,712.98x = 8,471,938.20
  5. Step 5: Solve for x
    x = 8,471,938.20/3,712.98
  6. Step 6: Final answer
    x = 2,281.71

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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.