Home / 3,398.56-5,100.40-2,722.72

Finding the Fourth Proportional to 3,398.56, 5,100.40 and 2,722.72

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Solution

The fourth proportional to 3,398.56, 5,100.40 and 2,722.72 is: 4,086.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,398.56 : 5,100.40 = 2,722.72 : x
  2. Step 2: Convert to fraction form
    3,398.56/5,100.40 = 2,722.72/x
  3. Step 3: Cross multiply
    3,398.56x = 5,100.40 × 2,722.72
  4. Step 4: Simplify right side
    3,398.56x = 13,886,961.09
  5. Step 5: Solve for x
    x = 13,886,961.09/3,398.56
  6. Step 6: Final answer
    x = 4,086.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.