Home / 4,088.19-5,640.21-2,494.20

Finding the Fourth Proportional to 4,088.19, 5,640.21 and 2,494.20

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Solution

The fourth proportional to 4,088.19, 5,640.21 and 2,494.20 is: 3,441.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,088.19 : 5,640.21 = 2,494.20 : x
  2. Step 2: Convert to fraction form
    4,088.19/5,640.21 = 2,494.20/x
  3. Step 3: Cross multiply
    4,088.19x = 5,640.21 × 2,494.20
  4. Step 4: Simplify right side
    4,088.19x = 14,067,811.78
  5. Step 5: Solve for x
    x = 14,067,811.78/4,088.19
  6. Step 6: Final answer
    x = 3,441.09

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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.