Home / 3,141.32-4,331.49-2,245.46

Finding the Fourth Proportional to 3,141.32, 4,331.49 and 2,245.46

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Solution

The fourth proportional to 3,141.32, 4,331.49 and 2,245.46 is: 3,096.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,141.32 : 4,331.49 = 2,245.46 : x
  2. Step 2: Convert to fraction form
    3,141.32/4,331.49 = 2,245.46/x
  3. Step 3: Cross multiply
    3,141.32x = 4,331.49 × 2,245.46
  4. Step 4: Simplify right side
    3,141.32x = 9,726,187.54
  5. Step 5: Solve for x
    x = 9,726,187.54/3,141.32
  6. Step 6: Final answer
    x = 3,096.21

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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.