Home / 3,043.38-4,198.86-2,649.72

Finding the Fourth Proportional to 3,043.38, 4,198.86 and 2,649.72

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Solution

The fourth proportional to 3,043.38, 4,198.86 and 2,649.72 is: 3,655.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,043.38 : 4,198.86 = 2,649.72 : x
  2. Step 2: Convert to fraction form
    3,043.38/4,198.86 = 2,649.72/x
  3. Step 3: Cross multiply
    3,043.38x = 4,198.86 × 2,649.72
  4. Step 4: Simplify right side
    3,043.38x = 11,125,803.32
  5. Step 5: Solve for x
    x = 11,125,803.32/3,043.38
  6. Step 6: Final answer
    x = 3,655.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.