Home / 1,243.17-1,863.14-1,104.93

Finding the Fourth Proportional to 1,243.17, 1,863.14 and 1,104.93

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Solution

The fourth proportional to 1,243.17, 1,863.14 and 1,104.93 is: 1,655.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243.17 : 1,863.14 = 1,104.93 : x
  2. Step 2: Convert to fraction form
    1,243.17/1,863.14 = 1,104.93/x
  3. Step 3: Cross multiply
    1,243.17x = 1,863.14 × 1,104.93
  4. Step 4: Simplify right side
    1,243.17x = 2,058,633.76
  5. Step 5: Solve for x
    x = 2,058,633.76/1,243.17
  6. Step 6: Final answer
    x = 1,655.96

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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.