Home / 2,440.47-3,661.99-1,330.68

Finding the Fourth Proportional to 2,440.47, 3,661.99 and 1,330.68

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Solution

The fourth proportional to 2,440.47, 3,661.99 and 1,330.68 is: 1,996.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,440.47 : 3,661.99 = 1,330.68 : x
  2. Step 2: Convert to fraction form
    2,440.47/3,661.99 = 1,330.68/x
  3. Step 3: Cross multiply
    2,440.47x = 3,661.99 × 1,330.68
  4. Step 4: Simplify right side
    2,440.47x = 4,872,954.74
  5. Step 5: Solve for x
    x = 4,872,954.74/2,440.47
  6. Step 6: Final answer
    x = 1,996.73

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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.