Home / 1,515.96-2,272.02-736.14

Finding the Fourth Proportional to 1,515.96, 2,272.02 and 736.14

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Solution

The fourth proportional to 1,515.96, 2,272.02 and 736.14 is: 1,103.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515.96 : 2,272.02 = 736.14 : x
  2. Step 2: Convert to fraction form
    1,515.96/2,272.02 = 736.14/x
  3. Step 3: Cross multiply
    1,515.96x = 2,272.02 × 736.14
  4. Step 4: Simplify right side
    1,515.96x = 1,672,524.80
  5. Step 5: Solve for x
    x = 1,672,524.80/1,515.96
  6. Step 6: Final answer
    x = 1,103.28

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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.