Home / 1,110.48-1,532.56-736.80

Finding the Fourth Proportional to 1,110.48, 1,532.56 and 736.80

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Solution

The fourth proportional to 1,110.48, 1,532.56 and 736.80 is: 1,016.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110.48 : 1,532.56 = 736.80 : x
  2. Step 2: Convert to fraction form
    1,110.48/1,532.56 = 736.80/x
  3. Step 3: Cross multiply
    1,110.48x = 1,532.56 × 736.80
  4. Step 4: Simplify right side
    1,110.48x = 1,129,190.21
  5. Step 5: Solve for x
    x = 1,129,190.21/1,110.48
  6. Step 6: Final answer
    x = 1,016.85

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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.