Home / 3,937.60-5,905.14-1,304.62

Finding the Fourth Proportional to 3,937.60, 5,905.14 and 1,304.62

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Solution

The fourth proportional to 3,937.60, 5,905.14 and 1,304.62 is: 1,956.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,937.60 : 5,905.14 = 1,304.62 : x
  2. Step 2: Convert to fraction form
    3,937.60/5,905.14 = 1,304.62/x
  3. Step 3: Cross multiply
    3,937.60x = 5,905.14 × 1,304.62
  4. Step 4: Simplify right side
    3,937.60x = 7,703,963.75
  5. Step 5: Solve for x
    x = 7,703,963.75/3,937.60
  6. Step 6: Final answer
    x = 1,956.51

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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.