Home / 3,937.56-5,904.95-1,304.61

Finding the Fourth Proportional to 3,937.56, 5,904.95 and 1,304.61

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Solution

The fourth proportional to 3,937.56, 5,904.95 and 1,304.61 is: 1,956.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,937.56 : 5,904.95 = 1,304.61 : x
  2. Step 2: Convert to fraction form
    3,937.56/5,904.95 = 1,304.61/x
  3. Step 3: Cross multiply
    3,937.56x = 5,904.95 × 1,304.61
  4. Step 4: Simplify right side
    3,937.56x = 7,703,635.49
  5. Step 5: Solve for x
    x = 7,703,635.49/3,937.56
  6. Step 6: Final answer
    x = 1,956.45

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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.