Home / 3,180.16-4,770.56-1,099.89

Finding the Fourth Proportional to 3,180.16, 4,770.56 and 1,099.89

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Solution

The fourth proportional to 3,180.16, 4,770.56 and 1,099.89 is: 1,649.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180.16 : 4,770.56 = 1,099.89 : x
  2. Step 2: Convert to fraction form
    3,180.16/4,770.56 = 1,099.89/x
  3. Step 3: Cross multiply
    3,180.16x = 4,770.56 × 1,099.89
  4. Step 4: Simplify right side
    3,180.16x = 5,247,091.24
  5. Step 5: Solve for x
    x = 5,247,091.24/3,180.16
  6. Step 6: Final answer
    x = 1,649.95

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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.