Home / 3,084.32-4,252.65-2,140.92

Finding the Fourth Proportional to 3,084.32, 4,252.65 and 2,140.92

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Solution

The fourth proportional to 3,084.32, 4,252.65 and 2,140.92 is: 2,951.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,084.32 : 4,252.65 = 2,140.92 : x
  2. Step 2: Convert to fraction form
    3,084.32/4,252.65 = 2,140.92/x
  3. Step 3: Cross multiply
    3,084.32x = 4,252.65 × 2,140.92
  4. Step 4: Simplify right side
    3,084.32x = 9,104,583.44
  5. Step 5: Solve for x
    x = 9,104,583.44/3,084.32
  6. Step 6: Final answer
    x = 2,951.90

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Half scale
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Double scale
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Similar ratio
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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.