Home / 2,439.66-3,659.49-1,343.46

Finding the Fourth Proportional to 2,439.66, 3,659.49 and 1,343.46

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Solution

The fourth proportional to 2,439.66, 3,659.49 and 1,343.46 is: 2,015.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,439.66 : 3,659.49 = 1,343.46 : x
  2. Step 2: Convert to fraction form
    2,439.66/3,659.49 = 1,343.46/x
  3. Step 3: Cross multiply
    2,439.66x = 3,659.49 × 1,343.46
  4. Step 4: Simplify right side
    2,439.66x = 4,916,378.44
  5. Step 5: Solve for x
    x = 4,916,378.44/2,439.66
  6. Step 6: Final answer
    x = 2,015.19

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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.