Home / 3,799.90-5,246.23-2,456.21

Finding the Fourth Proportional to 3,799.90, 5,246.23 and 2,456.21

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Solution

The fourth proportional to 3,799.90, 5,246.23 and 2,456.21 is: 3,391.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,799.90 : 5,246.23 = 2,456.21 : x
  2. Step 2: Convert to fraction form
    3,799.90/5,246.23 = 2,456.21/x
  3. Step 3: Cross multiply
    3,799.90x = 5,246.23 × 2,456.21
  4. Step 4: Simplify right side
    3,799.90x = 12,885,842.59
  5. Step 5: Solve for x
    x = 12,885,842.59/3,799.90
  6. Step 6: Final answer
    x = 3,391.10

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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.