Home / 2,731.93-3,770.15-1,669.71

Finding the Fourth Proportional to 2,731.93, 3,770.15 and 1,669.71

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Solution

The fourth proportional to 2,731.93, 3,770.15 and 1,669.71 is: 2,304.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,731.93 : 3,770.15 = 1,669.71 : x
  2. Step 2: Convert to fraction form
    2,731.93/3,770.15 = 1,669.71/x
  3. Step 3: Cross multiply
    2,731.93x = 3,770.15 × 1,669.71
  4. Step 4: Simplify right side
    2,731.93x = 6,295,062.95
  5. Step 5: Solve for x
    x = 6,295,062.95/2,731.93
  6. Step 6: Final answer
    x = 2,304.26

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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.