Home / 3,098.49-4,648.60-1,249.18

Finding the Fourth Proportional to 3,098.49, 4,648.60 and 1,249.18

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Solution

The fourth proportional to 3,098.49, 4,648.60 and 1,249.18 is: 1,874.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,098.49 : 4,648.60 = 1,249.18 : x
  2. Step 2: Convert to fraction form
    3,098.49/4,648.60 = 1,249.18/x
  3. Step 3: Cross multiply
    3,098.49x = 4,648.60 × 1,249.18
  4. Step 4: Simplify right side
    3,098.49x = 5,806,938.15
  5. Step 5: Solve for x
    x = 5,806,938.15/3,098.49
  6. Step 6: Final answer
    x = 1,874.12

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Half scale
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Double scale
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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.