Home / 3,040.76-4,194.10-2,939.12

Finding the Fourth Proportional to 3,040.76, 4,194.10 and 2,939.12

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Solution

The fourth proportional to 3,040.76, 4,194.10 and 2,939.12 is: 4,053.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,040.76 : 4,194.10 = 2,939.12 : x
  2. Step 2: Convert to fraction form
    3,040.76/4,194.10 = 2,939.12/x
  3. Step 3: Cross multiply
    3,040.76x = 4,194.10 × 2,939.12
  4. Step 4: Simplify right side
    3,040.76x = 12,326,963.19
  5. Step 5: Solve for x
    x = 12,326,963.19/3,040.76
  6. Step 6: Final answer
    x = 4,053.91

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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.