Home / 3,680.92-5,079.68-2,002.34

Finding the Fourth Proportional to 3,680.92, 5,079.68 and 2,002.34

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Solution

The fourth proportional to 3,680.92, 5,079.68 and 2,002.34 is: 2,763.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,680.92 : 5,079.68 = 2,002.34 : x
  2. Step 2: Convert to fraction form
    3,680.92/5,079.68 = 2,002.34/x
  3. Step 3: Cross multiply
    3,680.92x = 5,079.68 × 2,002.34
  4. Step 4: Simplify right side
    3,680.92x = 10,171,246.45
  5. Step 5: Solve for x
    x = 10,171,246.45/3,680.92
  6. Step 6: Final answer
    x = 2,763.23

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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.