Home / 2,520.28-3,764.29-2,000.88

Finding the Fourth Proportional to 2,520.28, 3,764.29 and 2,000.88

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Solution

The fourth proportional to 2,520.28, 3,764.29 and 2,000.88 is: 2,988.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,520.28 : 3,764.29 = 2,000.88 : x
  2. Step 2: Convert to fraction form
    2,520.28/3,764.29 = 2,000.88/x
  3. Step 3: Cross multiply
    2,520.28x = 3,764.29 × 2,000.88
  4. Step 4: Simplify right side
    2,520.28x = 7,531,892.58
  5. Step 5: Solve for x
    x = 7,531,892.58/2,520.28
  6. Step 6: Final answer
    x = 2,988.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.