Home / 3,164.68-4,747.02-1,217.80

Finding the Fourth Proportional to 3,164.68, 4,747.02 and 1,217.80

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Solution

The fourth proportional to 3,164.68, 4,747.02 and 1,217.80 is: 1,826.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,164.68 : 4,747.02 = 1,217.80 : x
  2. Step 2: Convert to fraction form
    3,164.68/4,747.02 = 1,217.80/x
  3. Step 3: Cross multiply
    3,164.68x = 4,747.02 × 1,217.80
  4. Step 4: Simplify right side
    3,164.68x = 5,780,920.96
  5. Step 5: Solve for x
    x = 5,780,920.96/3,164.68
  6. Step 6: Final answer
    x = 1,826.70

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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.