Home / 2,722.40-3,757.22-1,527.71

Finding the Fourth Proportional to 2,722.40, 3,757.22 and 1,527.71

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Solution

The fourth proportional to 2,722.40, 3,757.22 and 1,527.71 is: 2,108.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,722.40 : 3,757.22 = 1,527.71 : x
  2. Step 2: Convert to fraction form
    2,722.40/3,757.22 = 1,527.71/x
  3. Step 3: Cross multiply
    2,722.40x = 3,757.22 × 1,527.71
  4. Step 4: Simplify right side
    2,722.40x = 5,739,955.78
  5. Step 5: Solve for x
    x = 5,739,955.78/2,722.40
  6. Step 6: Final answer
    x = 2,108.42

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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.