Home / 2,731.68-3,770.28-1,669.62

Finding the Fourth Proportional to 2,731.68, 3,770.28 and 1,669.62

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Solution

The fourth proportional to 2,731.68, 3,770.28 and 1,669.62 is: 2,304.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,731.68 : 3,770.28 = 1,669.62 : x
  2. Step 2: Convert to fraction form
    2,731.68/3,770.28 = 1,669.62/x
  3. Step 3: Cross multiply
    2,731.68x = 3,770.28 × 1,669.62
  4. Step 4: Simplify right side
    2,731.68x = 6,294,934.89
  5. Step 5: Solve for x
    x = 6,294,934.89/2,731.68
  6. Step 6: Final answer
    x = 2,304.42

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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.