Home / 3,923.52-5,885.28-1,615.04

Finding the Fourth Proportional to 3,923.52, 5,885.28 and 1,615.04

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Solution

The fourth proportional to 3,923.52, 5,885.28 and 1,615.04 is: 2,422.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,923.52 : 5,885.28 = 1,615.04 : x
  2. Step 2: Convert to fraction form
    3,923.52/5,885.28 = 1,615.04/x
  3. Step 3: Cross multiply
    3,923.52x = 5,885.28 × 1,615.04
  4. Step 4: Simplify right side
    3,923.52x = 9,504,962.61
  5. Step 5: Solve for x
    x = 9,504,962.61/3,923.52
  6. Step 6: Final answer
    x = 2,422.56

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1.5x scale

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.