Home / 2,195.20-3,292.80-2,110.15

Finding the Fourth Proportional to 2,195.20, 3,292.80 and 2,110.15

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Solution

The fourth proportional to 2,195.20, 3,292.80 and 2,110.15 is: 3,165.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195.20 : 3,292.80 = 2,110.15 : x
  2. Step 2: Convert to fraction form
    2,195.20/3,292.80 = 2,110.15/x
  3. Step 3: Cross multiply
    2,195.20x = 3,292.80 × 2,110.15
  4. Step 4: Simplify right side
    2,195.20x = 6,948,301.92
  5. Step 5: Solve for x
    x = 6,948,301.92/2,195.20
  6. Step 6: Final answer
    x = 3,165.23

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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.