Home / 3,099.59-4,649.40-2,179.27

Finding the Fourth Proportional to 3,099.59, 4,649.40 and 2,179.27

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Solution

The fourth proportional to 3,099.59, 4,649.40 and 2,179.27 is: 3,268.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,099.59 : 4,649.40 = 2,179.27 : x
  2. Step 2: Convert to fraction form
    3,099.59/4,649.40 = 2,179.27/x
  3. Step 3: Cross multiply
    3,099.59x = 4,649.40 × 2,179.27
  4. Step 4: Simplify right side
    3,099.59x = 10,132,286.31
  5. Step 5: Solve for x
    x = 10,132,286.31/3,099.59
  6. Step 6: Final answer
    x = 3,268.91

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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.