Home / 3,680.57-5,079.17-2,001.96

Finding the Fourth Proportional to 3,680.57, 5,079.17 and 2,001.96

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Solution

The fourth proportional to 3,680.57, 5,079.17 and 2,001.96 is: 2,762.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,680.57 : 5,079.17 = 2,001.96 : x
  2. Step 2: Convert to fraction form
    3,680.57/5,079.17 = 2,001.96/x
  3. Step 3: Cross multiply
    3,680.57x = 5,079.17 × 2,001.96
  4. Step 4: Simplify right side
    3,680.57x = 10,168,285.16
  5. Step 5: Solve for x
    x = 10,168,285.16/3,680.57
  6. Step 6: Final answer
    x = 2,762.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.