Home / 2,869.29-3,958.66-1,674

Finding the Fourth Proportional to 2,869.29, 3,958.66 and 1,674

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Solution

The fourth proportional to 2,869.29, 3,958.66 and 1,674 is: 2,309.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,869.29 : 3,958.66 = 1,674 : x
  2. Step 2: Convert to fraction form
    2,869.29/3,958.66 = 1,674/x
  3. Step 3: Cross multiply
    2,869.29x = 3,958.66 × 1,674
  4. Step 4: Simplify right side
    2,869.29x = 6,626,796.84
  5. Step 5: Solve for x
    x = 6,626,796.84/2,869.29
  6. Step 6: Final answer
    x = 2,309.56

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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.