Home / 3,099.38-4,277.04-1,702.10

Finding the Fourth Proportional to 3,099.38, 4,277.04 and 1,702.10

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Solution

The fourth proportional to 3,099.38, 4,277.04 and 1,702.10 is: 2,348.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,099.38 : 4,277.04 = 1,702.10 : x
  2. Step 2: Convert to fraction form
    3,099.38/4,277.04 = 1,702.10/x
  3. Step 3: Cross multiply
    3,099.38x = 4,277.04 × 1,702.10
  4. Step 4: Simplify right side
    3,099.38x = 7,279,949.78
  5. Step 5: Solve for x
    x = 7,279,949.78/3,099.38
  6. Step 6: Final answer
    x = 2,348.84

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.