Home / 2,947.39-4,419.97-1,098.09

Finding the Fourth Proportional to 2,947.39, 4,419.97 and 1,098.09

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Solution

The fourth proportional to 2,947.39, 4,419.97 and 1,098.09 is: 1,646.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,947.39 : 4,419.97 = 1,098.09 : x
  2. Step 2: Convert to fraction form
    2,947.39/4,419.97 = 1,098.09/x
  3. Step 3: Cross multiply
    2,947.39x = 4,419.97 × 1,098.09
  4. Step 4: Simplify right side
    2,947.39x = 4,853,522.11
  5. Step 5: Solve for x
    x = 4,853,522.11/2,947.39
  6. Step 6: Final answer
    x = 1,646.72

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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.