Home / 2,098.12-3,159.38-1,517.09

Finding the Fourth Proportional to 2,098.12, 3,159.38 and 1,517.09

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Solution

The fourth proportional to 2,098.12, 3,159.38 and 1,517.09 is: 2,284.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,098.12 : 3,159.38 = 1,517.09 : x
  2. Step 2: Convert to fraction form
    2,098.12/3,159.38 = 1,517.09/x
  3. Step 3: Cross multiply
    2,098.12x = 3,159.38 × 1,517.09
  4. Step 4: Simplify right side
    2,098.12x = 4,793,043.27
  5. Step 5: Solve for x
    x = 4,793,043.27/2,098.12
  6. Step 6: Final answer
    x = 2,284.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.