Home / 2,948.25-4,419.57-1,098.12

Finding the Fourth Proportional to 2,948.25, 4,419.57 and 1,098.12

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Solution

The fourth proportional to 2,948.25, 4,419.57 and 1,098.12 is: 1,646.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948.25 : 4,419.57 = 1,098.12 : x
  2. Step 2: Convert to fraction form
    2,948.25/4,419.57 = 1,098.12/x
  3. Step 3: Cross multiply
    2,948.25x = 4,419.57 × 1,098.12
  4. Step 4: Simplify right side
    2,948.25x = 4,853,218.21
  5. Step 5: Solve for x
    x = 4,853,218.21/2,948.25
  6. Step 6: Final answer
    x = 1,646.14

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1.5x scale

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.