Home / 1,348.43-1,863.80-1,229.96

Finding the Fourth Proportional to 1,348.43, 1,863.80 and 1,229.96

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Solution

The fourth proportional to 1,348.43, 1,863.80 and 1,229.96 is: 1,700.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348.43 : 1,863.80 = 1,229.96 : x
  2. Step 2: Convert to fraction form
    1,348.43/1,863.80 = 1,229.96/x
  3. Step 3: Cross multiply
    1,348.43x = 1,863.80 × 1,229.96
  4. Step 4: Simplify right side
    1,348.43x = 2,292,383.98
  5. Step 5: Solve for x
    x = 2,292,383.98/1,348.43
  6. Step 6: Final answer
    x = 1,700.05

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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.