Home / 2,331.40-3,497.10-2,209.90

Finding the Fourth Proportional to 2,331.40, 3,497.10 and 2,209.90

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Solution

The fourth proportional to 2,331.40, 3,497.10 and 2,209.90 is: 3,314.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,331.40 : 3,497.10 = 2,209.90 : x
  2. Step 2: Convert to fraction form
    2,331.40/3,497.10 = 2,209.90/x
  3. Step 3: Cross multiply
    2,331.40x = 3,497.10 × 2,209.90
  4. Step 4: Simplify right side
    2,331.40x = 7,728,241.29
  5. Step 5: Solve for x
    x = 7,728,241.29/2,331.40
  6. Step 6: Final answer
    x = 3,314.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.