Home / 1,136.16-1,701.56-745.92

Finding the Fourth Proportional to 1,136.16, 1,701.56 and 745.92

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Solution

The fourth proportional to 1,136.16, 1,701.56 and 745.92 is: 1,117.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136.16 : 1,701.56 = 745.92 : x
  2. Step 2: Convert to fraction form
    1,136.16/1,701.56 = 745.92/x
  3. Step 3: Cross multiply
    1,136.16x = 1,701.56 × 745.92
  4. Step 4: Simplify right side
    1,136.16x = 1,269,227.64
  5. Step 5: Solve for x
    x = 1,269,227.64/1,136.16
  6. Step 6: Final answer
    x = 1,117.12

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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.