Home / 1,452.14-2,178.19-527.69

Finding the Fourth Proportional to 1,452.14, 2,178.19 and 527.69

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Solution

The fourth proportional to 1,452.14, 2,178.19 and 527.69 is: 791.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,452.14 : 2,178.19 = 527.69 : x
  2. Step 2: Convert to fraction form
    1,452.14/2,178.19 = 527.69/x
  3. Step 3: Cross multiply
    1,452.14x = 2,178.19 × 527.69
  4. Step 4: Simplify right side
    1,452.14x = 1,149,409.08
  5. Step 5: Solve for x
    x = 1,149,409.08/1,452.14
  6. Step 6: Final answer
    x = 791.53

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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.