Home / 1,841.13-2,540.76-1,055.18

Finding the Fourth Proportional to 1,841.13, 2,540.76 and 1,055.18

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Solution

The fourth proportional to 1,841.13, 2,540.76 and 1,055.18 is: 1,456.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,841.13 : 2,540.76 = 1,055.18 : x
  2. Step 2: Convert to fraction form
    1,841.13/2,540.76 = 1,055.18/x
  3. Step 3: Cross multiply
    1,841.13x = 2,540.76 × 1,055.18
  4. Step 4: Simplify right side
    1,841.13x = 2,680,962.30
  5. Step 5: Solve for x
    x = 2,680,962.30/1,841.13
  6. Step 6: Final answer
    x = 1,456.15

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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.