Home / 1,452.18-2,177.31-1,107.78

Finding the Fourth Proportional to 1,452.18, 2,177.31 and 1,107.78

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Solution

The fourth proportional to 1,452.18, 2,177.31 and 1,107.78 is: 1,660.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,452.18 : 2,177.31 = 1,107.78 : x
  2. Step 2: Convert to fraction form
    1,452.18/2,177.31 = 1,107.78/x
  3. Step 3: Cross multiply
    1,452.18x = 2,177.31 × 1,107.78
  4. Step 4: Simplify right side
    1,452.18x = 2,411,980.47
  5. Step 5: Solve for x
    x = 2,411,980.47/1,452.18
  6. Step 6: Final answer
    x = 1,660.94

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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.