Home / 1,132.48-1,711.12-1,126

Finding the Fourth Proportional to 1,132.48, 1,711.12 and 1,126

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Solution

The fourth proportional to 1,132.48, 1,711.12 and 1,126 is: 1,701.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132.48 : 1,711.12 = 1,126 : x
  2. Step 2: Convert to fraction form
    1,132.48/1,711.12 = 1,126/x
  3. Step 3: Cross multiply
    1,132.48x = 1,711.12 × 1,126
  4. Step 4: Simplify right side
    1,132.48x = 1,926,721.12
  5. Step 5: Solve for x
    x = 1,926,721.12/1,132.48
  6. Step 6: Final answer
    x = 1,701.33

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.