Home / 3,729.73-5,587.56-3,117.37

Finding the Fourth Proportional to 3,729.73, 5,587.56 and 3,117.37

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Solution

The fourth proportional to 3,729.73, 5,587.56 and 3,117.37 is: 4,670.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,729.73 : 5,587.56 = 3,117.37 : x
  2. Step 2: Convert to fraction form
    3,729.73/5,587.56 = 3,117.37/x
  3. Step 3: Cross multiply
    3,729.73x = 5,587.56 × 3,117.37
  4. Step 4: Simplify right side
    3,729.73x = 17,418,491.92
  5. Step 5: Solve for x
    x = 17,418,491.92/3,729.73
  6. Step 6: Final answer
    x = 4,670.18

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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.