Home / 2,672.85-3,682.98-2,273.13

Finding the Fourth Proportional to 2,672.85, 3,682.98 and 2,273.13

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Solution

The fourth proportional to 2,672.85, 3,682.98 and 2,273.13 is: 3,132.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,672.85 : 3,682.98 = 2,273.13 : x
  2. Step 2: Convert to fraction form
    2,672.85/3,682.98 = 2,273.13/x
  3. Step 3: Cross multiply
    2,672.85x = 3,682.98 × 2,273.13
  4. Step 4: Simplify right side
    2,672.85x = 8,371,892.33
  5. Step 5: Solve for x
    x = 8,371,892.33/2,672.85
  6. Step 6: Final answer
    x = 3,132.20

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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.