Home / 1,136.43-1,705.23-1,132.92

Finding the Fourth Proportional to 1,136.43, 1,705.23 and 1,132.92

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Solution

The fourth proportional to 1,136.43, 1,705.23 and 1,132.92 is: 1,699.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136.43 : 1,705.23 = 1,132.92 : x
  2. Step 2: Convert to fraction form
    1,136.43/1,705.23 = 1,132.92/x
  3. Step 3: Cross multiply
    1,136.43x = 1,705.23 × 1,132.92
  4. Step 4: Simplify right side
    1,136.43x = 1,931,889.17
  5. Step 5: Solve for x
    x = 1,931,889.17/1,136.43
  6. Step 6: Final answer
    x = 1,699.96

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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.