Home / 2,194.30-3,291.45-2,015.10

Finding the Fourth Proportional to 2,194.30, 3,291.45 and 2,015.10

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Solution

The fourth proportional to 2,194.30, 3,291.45 and 2,015.10 is: 3,022.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,194.30 : 3,291.45 = 2,015.10 : x
  2. Step 2: Convert to fraction form
    2,194.30/3,291.45 = 2,015.10/x
  3. Step 3: Cross multiply
    2,194.30x = 3,291.45 × 2,015.10
  4. Step 4: Simplify right side
    2,194.30x = 6,632,600.90
  5. Step 5: Solve for x
    x = 6,632,600.90/2,194.30
  6. Step 6: Final answer
    x = 3,022.65

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.