Home / 2,240.20-3,351.50-1,472.20

Finding the Fourth Proportional to 2,240.20, 3,351.50 and 1,472.20

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Solution

The fourth proportional to 2,240.20, 3,351.50 and 1,472.20 is: 2,202.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,240.20 : 3,351.50 = 1,472.20 : x
  2. Step 2: Convert to fraction form
    2,240.20/3,351.50 = 1,472.20/x
  3. Step 3: Cross multiply
    2,240.20x = 3,351.50 × 1,472.20
  4. Step 4: Simplify right side
    2,240.20x = 4,934,078.30
  5. Step 5: Solve for x
    x = 4,934,078.30/2,240.20
  6. Step 6: Final answer
    x = 2,202.52

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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.