Home / 1,233.20-1,701.83-736.13

Finding the Fourth Proportional to 1,233.20, 1,701.83 and 736.13

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Solution

The fourth proportional to 1,233.20, 1,701.83 and 736.13 is: 1,015.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,233.20 : 1,701.83 = 736.13 : x
  2. Step 2: Convert to fraction form
    1,233.20/1,701.83 = 736.13/x
  3. Step 3: Cross multiply
    1,233.20x = 1,701.83 × 736.13
  4. Step 4: Simplify right side
    1,233.20x = 1,252,755.93
  5. Step 5: Solve for x
    x = 1,252,755.93/1,233.20
  6. Step 6: Final answer
    x = 1,015.86

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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.