Home / 2,449.31-3,665.66-2,039.18

Finding the Fourth Proportional to 2,449.31, 3,665.66 and 2,039.18

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Solution

The fourth proportional to 2,449.31, 3,665.66 and 2,039.18 is: 3,051.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,449.31 : 3,665.66 = 2,039.18 : x
  2. Step 2: Convert to fraction form
    2,449.31/3,665.66 = 2,039.18/x
  3. Step 3: Cross multiply
    2,449.31x = 3,665.66 × 2,039.18
  4. Step 4: Simplify right side
    2,449.31x = 7,474,912.03
  5. Step 5: Solve for x
    x = 7,474,912.03/2,449.31
  6. Step 6: Final answer
    x = 3,051.85

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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.