Home / 3,742.72-5,165.28-2,250.88

Finding the Fourth Proportional to 3,742.72, 5,165.28 and 2,250.88

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Solution

The fourth proportional to 3,742.72, 5,165.28 and 2,250.88 is: 3,106.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,742.72 : 5,165.28 = 2,250.88 : x
  2. Step 2: Convert to fraction form
    3,742.72/5,165.28 = 2,250.88/x
  3. Step 3: Cross multiply
    3,742.72x = 5,165.28 × 2,250.88
  4. Step 4: Simplify right side
    3,742.72x = 11,626,425.45
  5. Step 5: Solve for x
    x = 11,626,425.45/3,742.72
  6. Step 6: Final answer
    x = 3,106.41

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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.