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Finding the Fourth Proportional to 2,672.93, 3,684.89 and 1,677.54

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Solution

The fourth proportional to 2,672.93, 3,684.89 and 1,677.54 is: 2,312.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,672.93 : 3,684.89 = 1,677.54 : x
  2. Step 2: Convert to fraction form
    2,672.93/3,684.89 = 1,677.54/x
  3. Step 3: Cross multiply
    2,672.93x = 3,684.89 × 1,677.54
  4. Step 4: Simplify right side
    2,672.93x = 6,181,568.38
  5. Step 5: Solve for x
    x = 6,181,568.38/2,672.93
  6. Step 6: Final answer
    x = 2,312.65

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1.5x scale

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.