Home / 2,384.97-3,291.44-1,322.79

Finding the Fourth Proportional to 2,384.97, 3,291.44 and 1,322.79

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Solution

The fourth proportional to 2,384.97, 3,291.44 and 1,322.79 is: 1,825.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,384.97 : 3,291.44 = 1,322.79 : x
  2. Step 2: Convert to fraction form
    2,384.97/3,291.44 = 1,322.79/x
  3. Step 3: Cross multiply
    2,384.97x = 3,291.44 × 1,322.79
  4. Step 4: Simplify right side
    2,384.97x = 4,353,883.92
  5. Step 5: Solve for x
    x = 4,353,883.92/2,384.97
  6. Step 6: Final answer
    x = 1,825.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.