Home / 2,087.38-3,130.94-527.38

Finding the Fourth Proportional to 2,087.38, 3,130.94 and 527.38

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Solution

The fourth proportional to 2,087.38, 3,130.94 and 527.38 is: 791.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087.38 : 3,130.94 = 527.38 : x
  2. Step 2: Convert to fraction form
    2,087.38/3,130.94 = 527.38/x
  3. Step 3: Cross multiply
    2,087.38x = 3,130.94 × 527.38
  4. Step 4: Simplify right side
    2,087.38x = 1,651,195.14
  5. Step 5: Solve for x
    x = 1,651,195.14/2,087.38
  6. Step 6: Final answer
    x = 791.04

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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.