Home / 1,452.47-2,004.62-1,078.92

Finding the Fourth Proportional to 1,452.47, 2,004.62 and 1,078.92

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Solution

The fourth proportional to 1,452.47, 2,004.62 and 1,078.92 is: 1,489.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,452.47 : 2,004.62 = 1,078.92 : x
  2. Step 2: Convert to fraction form
    1,452.47/2,004.62 = 1,078.92/x
  3. Step 3: Cross multiply
    1,452.47x = 2,004.62 × 1,078.92
  4. Step 4: Simplify right side
    1,452.47x = 2,162,819.22
  5. Step 5: Solve for x
    x = 2,162,819.22/1,452.47
  6. Step 6: Final answer
    x = 1,489.07

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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.