Home / 1,843.48-2,747.39-1,781.08

Finding the Fourth Proportional to 1,843.48, 2,747.39 and 1,781.08

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Solution

The fourth proportional to 1,843.48, 2,747.39 and 1,781.08 is: 2,654.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,843.48 : 2,747.39 = 1,781.08 : x
  2. Step 2: Convert to fraction form
    1,843.48/2,747.39 = 1,781.08/x
  3. Step 3: Cross multiply
    1,843.48x = 2,747.39 × 1,781.08
  4. Step 4: Simplify right side
    1,843.48x = 4,893,321.38
  5. Step 5: Solve for x
    x = 4,893,321.38/1,843.48
  6. Step 6: Final answer
    x = 2,654.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.