Home / 2,439.28-3,659.44-1,343.08

Finding the Fourth Proportional to 2,439.28, 3,659.44 and 1,343.08

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Solution

The fourth proportional to 2,439.28, 3,659.44 and 1,343.08 is: 2,014.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,439.28 : 3,659.44 = 1,343.08 : x
  2. Step 2: Convert to fraction form
    2,439.28/3,659.44 = 1,343.08/x
  3. Step 3: Cross multiply
    2,439.28x = 3,659.44 × 1,343.08
  4. Step 4: Simplify right side
    2,439.28x = 4,914,920.68
  5. Step 5: Solve for x
    x = 4,914,920.68/2,439.28
  6. Step 6: Final answer
    x = 2,014.91

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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.