Home / 3,680.67-5,079.44-2,002.15

Finding the Fourth Proportional to 3,680.67, 5,079.44 and 2,002.15

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Solution

The fourth proportional to 3,680.67, 5,079.44 and 2,002.15 is: 2,763.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,680.67 : 5,079.44 = 2,002.15 : x
  2. Step 2: Convert to fraction form
    3,680.67/5,079.44 = 2,002.15/x
  3. Step 3: Cross multiply
    3,680.67x = 5,079.44 × 2,002.15
  4. Step 4: Simplify right side
    3,680.67x = 10,169,800.80
  5. Step 5: Solve for x
    x = 10,169,800.80/3,680.67
  6. Step 6: Final answer
    x = 2,763.03

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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.