Home / 3,385.57-5,077.02-1,304.43

Finding the Fourth Proportional to 3,385.57, 5,077.02 and 1,304.43

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Solution

The fourth proportional to 3,385.57, 5,077.02 and 1,304.43 is: 1,956.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,385.57 : 5,077.02 = 1,304.43 : x
  2. Step 2: Convert to fraction form
    3,385.57/5,077.02 = 1,304.43/x
  3. Step 3: Cross multiply
    3,385.57x = 5,077.02 × 1,304.43
  4. Step 4: Simplify right side
    3,385.57x = 6,622,617.20
  5. Step 5: Solve for x
    x = 6,622,617.20/3,385.57
  6. Step 6: Final answer
    x = 1,956.13

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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.