Home / 1,452.20-2,004.04-1,120

Finding the Fourth Proportional to 1,452.20, 2,004.04 and 1,120

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Solution

The fourth proportional to 1,452.20, 2,004.04 and 1,120 is: 1,545.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,452.20 : 2,004.04 = 1,120 : x
  2. Step 2: Convert to fraction form
    1,452.20/2,004.04 = 1,120/x
  3. Step 3: Cross multiply
    1,452.20x = 2,004.04 × 1,120
  4. Step 4: Simplify right side
    1,452.20x = 2,244,524.80
  5. Step 5: Solve for x
    x = 2,244,524.80/1,452.20
  6. Step 6: Final answer
    x = 1,545.60

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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.