Home / 3,763.20-5,191.36-2,438.04

Finding the Fourth Proportional to 3,763.20, 5,191.36 and 2,438.04

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Solution

The fourth proportional to 3,763.20, 5,191.36 and 2,438.04 is: 3,363.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,763.20 : 5,191.36 = 2,438.04 : x
  2. Step 2: Convert to fraction form
    3,763.20/5,191.36 = 2,438.04/x
  3. Step 3: Cross multiply
    3,763.20x = 5,191.36 × 2,438.04
  4. Step 4: Simplify right side
    3,763.20x = 12,656,743.33
  5. Step 5: Solve for x
    x = 12,656,743.33/3,763.20
  6. Step 6: Final answer
    x = 3,363.29

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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.