Home / 2,868.64-3,958.66-1,673.88

Finding the Fourth Proportional to 2,868.64, 3,958.66 and 1,673.88

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Solution

The fourth proportional to 2,868.64, 3,958.66 and 1,673.88 is: 2,309.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,868.64 : 3,958.66 = 1,673.88 : x
  2. Step 2: Convert to fraction form
    2,868.64/3,958.66 = 1,673.88/x
  3. Step 3: Cross multiply
    2,868.64x = 3,958.66 × 1,673.88
  4. Step 4: Simplify right side
    2,868.64x = 6,626,321.80
  5. Step 5: Solve for x
    x = 6,626,321.80/2,868.64
  6. Step 6: Final answer
    x = 2,309.92

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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.