Home / 3,938.32-5,901.52-2,841.60

Finding the Fourth Proportional to 3,938.32, 5,901.52 and 2,841.60

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Solution

The fourth proportional to 3,938.32, 5,901.52 and 2,841.60 is: 4,258.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938.32 : 5,901.52 = 2,841.60 : x
  2. Step 2: Convert to fraction form
    3,938.32/5,901.52 = 2,841.60/x
  3. Step 3: Cross multiply
    3,938.32x = 5,901.52 × 2,841.60
  4. Step 4: Simplify right side
    3,938.32x = 16,769,759.23
  5. Step 5: Solve for x
    x = 16,769,759.23/3,938.32
  6. Step 6: Final answer
    x = 4,258.10

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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.