Home / 3,099.44-4,646.40-2,180.90

Finding the Fourth Proportional to 3,099.44, 4,646.40 and 2,180.90

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Solution

The fourth proportional to 3,099.44, 4,646.40 and 2,180.90 is: 3,269.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,099.44 : 4,646.40 = 2,180.90 : x
  2. Step 2: Convert to fraction form
    3,099.44/4,646.40 = 2,180.90/x
  3. Step 3: Cross multiply
    3,099.44x = 4,646.40 × 2,180.90
  4. Step 4: Simplify right side
    3,099.44x = 10,133,310.53
  5. Step 5: Solve for x
    x = 10,133,310.53/3,099.44
  6. Step 6: Final answer
    x = 3,269.41

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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.