Home / 2,949.12-4,066.37-2,351.15

Finding the Fourth Proportional to 2,949.12, 4,066.37 and 2,351.15

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Solution

The fourth proportional to 2,949.12, 4,066.37 and 2,351.15 is: 3,241.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,949.12 : 4,066.37 = 2,351.15 : x
  2. Step 2: Convert to fraction form
    2,949.12/4,066.37 = 2,351.15/x
  3. Step 3: Cross multiply
    2,949.12x = 4,066.37 × 2,351.15
  4. Step 4: Simplify right side
    2,949.12x = 9,560,631.37
  5. Step 5: Solve for x
    x = 9,560,631.37/2,949.12
  6. Step 6: Final answer
    x = 3,241.86

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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.