Home / 1,112.26-1,534.91-614.89

Finding the Fourth Proportional to 1,112.26, 1,534.91 and 614.89

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Solution

The fourth proportional to 1,112.26, 1,534.91 and 614.89 is: 848.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112.26 : 1,534.91 = 614.89 : x
  2. Step 2: Convert to fraction form
    1,112.26/1,534.91 = 614.89/x
  3. Step 3: Cross multiply
    1,112.26x = 1,534.91 × 614.89
  4. Step 4: Simplify right side
    1,112.26x = 943,790.06
  5. Step 5: Solve for x
    x = 943,790.06/1,112.26
  6. Step 6: Final answer
    x = 848.54

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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.