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Finding the Fourth Proportional to 1,854.73, 2,785.29 and 1,646.97

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Solution

The fourth proportional to 1,854.73, 2,785.29 and 1,646.97 is: 2,473.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,854.73 : 2,785.29 = 1,646.97 : x
  2. Step 2: Convert to fraction form
    1,854.73/2,785.29 = 1,646.97/x
  3. Step 3: Cross multiply
    1,854.73x = 2,785.29 × 1,646.97
  4. Step 4: Simplify right side
    1,854.73x = 4,587,272.45
  5. Step 5: Solve for x
    x = 4,587,272.45/1,854.73
  6. Step 6: Final answer
    x = 2,473.28

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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.