Home / 3,687.16-5,084.38-2,741.43

Finding the Fourth Proportional to 3,687.16, 5,084.38 and 2,741.43

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Solution

The fourth proportional to 3,687.16, 5,084.38 and 2,741.43 is: 3,780.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,687.16 : 5,084.38 = 2,741.43 : x
  2. Step 2: Convert to fraction form
    3,687.16/5,084.38 = 2,741.43/x
  3. Step 3: Cross multiply
    3,687.16x = 5,084.38 × 2,741.43
  4. Step 4: Simplify right side
    3,687.16x = 13,938,471.86
  5. Step 5: Solve for x
    x = 13,938,471.86/3,687.16
  6. Step 6: Final answer
    x = 3,780.27

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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.