Home / 3,013.20-4,519.80-2,502.90

Finding the Fourth Proportional to 3,013.20, 4,519.80 and 2,502.90

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Solution

The fourth proportional to 3,013.20, 4,519.80 and 2,502.90 is: 3,754.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,013.20 : 4,519.80 = 2,502.90 : x
  2. Step 2: Convert to fraction form
    3,013.20/4,519.80 = 2,502.90/x
  3. Step 3: Cross multiply
    3,013.20x = 4,519.80 × 2,502.90
  4. Step 4: Simplify right side
    3,013.20x = 11,312,607.42
  5. Step 5: Solve for x
    x = 11,312,607.42/3,013.20
  6. Step 6: Final answer
    x = 3,754.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.