Home / 3,615.13-5,422.71-1,534.61

Finding the Fourth Proportional to 3,615.13, 5,422.71 and 1,534.61

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Solution

The fourth proportional to 3,615.13, 5,422.71 and 1,534.61 is: 2,301.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,615.13 : 5,422.71 = 1,534.61 : x
  2. Step 2: Convert to fraction form
    3,615.13/5,422.71 = 1,534.61/x
  3. Step 3: Cross multiply
    3,615.13x = 5,422.71 × 1,534.61
  4. Step 4: Simplify right side
    3,615.13x = 8,321,764.30
  5. Step 5: Solve for x
    x = 8,321,764.30/3,615.13
  6. Step 6: Final answer
    x = 2,301.93

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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.