Home / 3,959.20-5,937.09-1,617.74

Finding the Fourth Proportional to 3,959.20, 5,937.09 and 1,617.74

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Solution

The fourth proportional to 3,959.20, 5,937.09 and 1,617.74 is: 2,425.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,959.20 : 5,937.09 = 1,617.74 : x
  2. Step 2: Convert to fraction form
    3,959.20/5,937.09 = 1,617.74/x
  3. Step 3: Cross multiply
    3,959.20x = 5,937.09 × 1,617.74
  4. Step 4: Simplify right side
    3,959.20x = 9,604,667.98
  5. Step 5: Solve for x
    x = 9,604,667.98/3,959.20
  6. Step 6: Final answer
    x = 2,425.91

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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.