Home / 1,542.28-2,130.42-1,469.38

Finding the Fourth Proportional to 1,542.28, 2,130.42 and 1,469.38

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Solution

The fourth proportional to 1,542.28, 2,130.42 and 1,469.38 is: 2,029.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542.28 : 2,130.42 = 1,469.38 : x
  2. Step 2: Convert to fraction form
    1,542.28/2,130.42 = 1,469.38/x
  3. Step 3: Cross multiply
    1,542.28x = 2,130.42 × 1,469.38
  4. Step 4: Simplify right side
    1,542.28x = 3,130,396.54
  5. Step 5: Solve for x
    x = 3,130,396.54/1,542.28
  6. Step 6: Final answer
    x = 2,029.72

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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.