Home / 3,729.60-5,159.57-3,065.13

Finding the Fourth Proportional to 3,729.60, 5,159.57 and 3,065.13

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Solution

The fourth proportional to 3,729.60, 5,159.57 and 3,065.13 is: 4,240.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,729.60 : 5,159.57 = 3,065.13 : x
  2. Step 2: Convert to fraction form
    3,729.60/5,159.57 = 3,065.13/x
  3. Step 3: Cross multiply
    3,729.60x = 5,159.57 × 3,065.13
  4. Step 4: Simplify right side
    3,729.60x = 15,814,737.47
  5. Step 5: Solve for x
    x = 15,814,737.47/3,729.60
  6. Step 6: Final answer
    x = 4,240.33

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1.5x scale

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.