Home / 2,164.20-3,248.46-1,190.76

Finding the Fourth Proportional to 2,164.20, 3,248.46 and 1,190.76

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Solution

The fourth proportional to 2,164.20, 3,248.46 and 1,190.76 is: 1,787.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,164.20 : 3,248.46 = 1,190.76 : x
  2. Step 2: Convert to fraction form
    2,164.20/3,248.46 = 1,190.76/x
  3. Step 3: Cross multiply
    2,164.20x = 3,248.46 × 1,190.76
  4. Step 4: Simplify right side
    2,164.20x = 3,868,136.23
  5. Step 5: Solve for x
    x = 3,868,136.23/2,164.20
  6. Step 6: Final answer
    x = 1,787.33

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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.