Home / 3,040.32-4,198.44-2,876.64

Finding the Fourth Proportional to 3,040.32, 4,198.44 and 2,876.64

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Solution

The fourth proportional to 3,040.32, 4,198.44 and 2,876.64 is: 3,972.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,040.32 : 4,198.44 = 2,876.64 : x
  2. Step 2: Convert to fraction form
    3,040.32/4,198.44 = 2,876.64/x
  3. Step 3: Cross multiply
    3,040.32x = 4,198.44 × 2,876.64
  4. Step 4: Simplify right side
    3,040.32x = 12,077,400.44
  5. Step 5: Solve for x
    x = 12,077,400.44/3,040.32
  6. Step 6: Final answer
    x = 3,972.41

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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.