Home / 3,761.16-5,641.68-1,680.63

Finding the Fourth Proportional to 3,761.16, 5,641.68 and 1,680.63

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Solution

The fourth proportional to 3,761.16, 5,641.68 and 1,680.63 is: 2,520.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,761.16 : 5,641.68 = 1,680.63 : x
  2. Step 2: Convert to fraction form
    3,761.16/5,641.68 = 1,680.63/x
  3. Step 3: Cross multiply
    3,761.16x = 5,641.68 × 1,680.63
  4. Step 4: Simplify right side
    3,761.16x = 9,481,576.66
  5. Step 5: Solve for x
    x = 9,481,576.66/3,761.16
  6. Step 6: Final answer
    x = 2,520.92

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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.