Home / 1,951.35-2,691.06-1,322.79

Finding the Fourth Proportional to 1,951.35, 2,691.06 and 1,322.79

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Solution

The fourth proportional to 1,951.35, 2,691.06 and 1,322.79 is: 1,824.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,951.35 : 2,691.06 = 1,322.79 : x
  2. Step 2: Convert to fraction form
    1,951.35/2,691.06 = 1,322.79/x
  3. Step 3: Cross multiply
    1,951.35x = 2,691.06 × 1,322.79
  4. Step 4: Simplify right side
    1,951.35x = 3,559,707.26
  5. Step 5: Solve for x
    x = 3,559,707.26/1,951.35
  6. Step 6: Final answer
    x = 1,824.23

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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.