Home / 2,191.20-3,284.70-1,094.46

Finding the Fourth Proportional to 2,191.20, 3,284.70 and 1,094.46

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Solution

The fourth proportional to 2,191.20, 3,284.70 and 1,094.46 is: 1,640.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191.20 : 3,284.70 = 1,094.46 : x
  2. Step 2: Convert to fraction form
    2,191.20/3,284.70 = 1,094.46/x
  3. Step 3: Cross multiply
    2,191.20x = 3,284.70 × 1,094.46
  4. Step 4: Simplify right side
    2,191.20x = 3,594,972.76
  5. Step 5: Solve for x
    x = 3,594,972.76/2,191.20
  6. Step 6: Final answer
    x = 1,640.64

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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.