Home / 4,001.28-5,524.20-2,744.40

Finding the Fourth Proportional to 4,001.28, 5,524.20 and 2,744.40

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Solution

The fourth proportional to 4,001.28, 5,524.20 and 2,744.40 is: 3,788.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,001.28 : 5,524.20 = 2,744.40 : x
  2. Step 2: Convert to fraction form
    4,001.28/5,524.20 = 2,744.40/x
  3. Step 3: Cross multiply
    4,001.28x = 5,524.20 × 2,744.40
  4. Step 4: Simplify right side
    4,001.28x = 15,160,614.48
  5. Step 5: Solve for x
    x = 15,160,614.48/4,001.28
  6. Step 6: Final answer
    x = 3,788.94

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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.