Home / 2,440.34-3,660.69-1,207.42

Finding the Fourth Proportional to 2,440.34, 3,660.69 and 1,207.42

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Solution

The fourth proportional to 2,440.34, 3,660.69 and 1,207.42 is: 1,811.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,440.34 : 3,660.69 = 1,207.42 : x
  2. Step 2: Convert to fraction form
    2,440.34/3,660.69 = 1,207.42/x
  3. Step 3: Cross multiply
    2,440.34x = 3,660.69 × 1,207.42
  4. Step 4: Simplify right side
    2,440.34x = 4,419,981.17
  5. Step 5: Solve for x
    x = 4,419,981.17/2,440.34
  6. Step 6: Final answer
    x = 1,811.22

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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.