Home / 1,136.30-1,568.17-632.23

Finding the Fourth Proportional to 1,136.30, 1,568.17 and 632.23

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Solution

The fourth proportional to 1,136.30, 1,568.17 and 632.23 is: 872.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136.30 : 1,568.17 = 632.23 : x
  2. Step 2: Convert to fraction form
    1,136.30/1,568.17 = 632.23/x
  3. Step 3: Cross multiply
    1,136.30x = 1,568.17 × 632.23
  4. Step 4: Simplify right side
    1,136.30x = 991,433.12
  5. Step 5: Solve for x
    x = 991,433.12/1,136.30
  6. Step 6: Final answer
    x = 872.51

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1.5x scale

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.