Home / 3,908.10-5,394.18-2,713.16

Finding the Fourth Proportional to 3,908.10, 5,394.18 and 2,713.16

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Solution

The fourth proportional to 3,908.10, 5,394.18 and 2,713.16 is: 3,744.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,908.10 : 5,394.18 = 2,713.16 : x
  2. Step 2: Convert to fraction form
    3,908.10/5,394.18 = 2,713.16/x
  3. Step 3: Cross multiply
    3,908.10x = 5,394.18 × 2,713.16
  4. Step 4: Simplify right side
    3,908.10x = 14,635,273.41
  5. Step 5: Solve for x
    x = 14,635,273.41/3,908.10
  6. Step 6: Final answer
    x = 3,744.86

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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.