Home / 3,508.24-5,251.20-2,520.40

Finding the Fourth Proportional to 3,508.24, 5,251.20 and 2,520.40

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Solution

The fourth proportional to 3,508.24, 5,251.20 and 2,520.40 is: 3,772.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,508.24 : 5,251.20 = 2,520.40 : x
  2. Step 2: Convert to fraction form
    3,508.24/5,251.20 = 2,520.40/x
  3. Step 3: Cross multiply
    3,508.24x = 5,251.20 × 2,520.40
  4. Step 4: Simplify right side
    3,508.24x = 13,235,124.48
  5. Step 5: Solve for x
    x = 13,235,124.48/3,508.24
  6. Step 6: Final answer
    x = 3,772.58

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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.