Home / 3,086.56-4,618.90-2,722.06

Finding the Fourth Proportional to 3,086.56, 4,618.90 and 2,722.06

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Solution

The fourth proportional to 3,086.56, 4,618.90 and 2,722.06 is: 4,073.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,086.56 : 4,618.90 = 2,722.06 : x
  2. Step 2: Convert to fraction form
    3,086.56/4,618.90 = 2,722.06/x
  3. Step 3: Cross multiply
    3,086.56x = 4,618.90 × 2,722.06
  4. Step 4: Simplify right side
    3,086.56x = 12,572,886.23
  5. Step 5: Solve for x
    x = 12,572,886.23/3,086.56
  6. Step 6: Final answer
    x = 4,073.44

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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.