Home / 1,549.29-2,138.84-1,194.43

Finding the Fourth Proportional to 1,549.29, 2,138.84 and 1,194.43

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Solution

The fourth proportional to 1,549.29, 2,138.84 and 1,194.43 is: 1,648.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549.29 : 2,138.84 = 1,194.43 : x
  2. Step 2: Convert to fraction form
    1,549.29/2,138.84 = 1,194.43/x
  3. Step 3: Cross multiply
    1,549.29x = 2,138.84 × 1,194.43
  4. Step 4: Simplify right side
    1,549.29x = 2,554,694.66
  5. Step 5: Solve for x
    x = 2,554,694.66/1,549.29
  6. Step 6: Final answer
    x = 1,648.95

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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.