Home / 3,181.41-4,394.18-2,340.90

Finding the Fourth Proportional to 3,181.41, 4,394.18 and 2,340.90

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Solution

The fourth proportional to 3,181.41, 4,394.18 and 2,340.90 is: 3,233.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,181.41 : 4,394.18 = 2,340.90 : x
  2. Step 2: Convert to fraction form
    3,181.41/4,394.18 = 2,340.90/x
  3. Step 3: Cross multiply
    3,181.41x = 4,394.18 × 2,340.90
  4. Step 4: Simplify right side
    3,181.41x = 10,286,341.81
  5. Step 5: Solve for x
    x = 10,286,341.81/3,181.41
  6. Step 6: Final answer
    x = 3,233.27

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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.