Home / 2,439.82-3,660.33-1,207.81

Finding the Fourth Proportional to 2,439.82, 3,660.33 and 1,207.81

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Solution

The fourth proportional to 2,439.82, 3,660.33 and 1,207.81 is: 1,812.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,439.82 : 3,660.33 = 1,207.81 : x
  2. Step 2: Convert to fraction form
    2,439.82/3,660.33 = 1,207.81/x
  3. Step 3: Cross multiply
    2,439.82x = 3,660.33 × 1,207.81
  4. Step 4: Simplify right side
    2,439.82x = 4,420,983.18
  5. Step 5: Solve for x
    x = 4,420,983.18/2,439.82
  6. Step 6: Final answer
    x = 1,812.01

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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.