Home / 1,135.92-1,704.36-1,045.11

Finding the Fourth Proportional to 1,135.92, 1,704.36 and 1,045.11

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Solution

The fourth proportional to 1,135.92, 1,704.36 and 1,045.11 is: 1,568.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135.92 : 1,704.36 = 1,045.11 : x
  2. Step 2: Convert to fraction form
    1,135.92/1,704.36 = 1,045.11/x
  3. Step 3: Cross multiply
    1,135.92x = 1,704.36 × 1,045.11
  4. Step 4: Simplify right side
    1,135.92x = 1,781,243.68
  5. Step 5: Solve for x
    x = 1,781,243.68/1,135.92
  6. Step 6: Final answer
    x = 1,568.11

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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.