Home / 1,112.22-1,534.91-614.93

Finding the Fourth Proportional to 1,112.22, 1,534.91 and 614.93

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Solution

The fourth proportional to 1,112.22, 1,534.91 and 614.93 is: 848.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112.22 : 1,534.91 = 614.93 : x
  2. Step 2: Convert to fraction form
    1,112.22/1,534.91 = 614.93/x
  3. Step 3: Cross multiply
    1,112.22x = 1,534.91 × 614.93
  4. Step 4: Simplify right side
    1,112.22x = 943,851.46
  5. Step 5: Solve for x
    x = 943,851.46/1,112.22
  6. Step 6: Final answer
    x = 848.62

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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.