Home / 2,722.08-4,086.36-1,626.96

Finding the Fourth Proportional to 2,722.08, 4,086.36 and 1,626.96

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Solution

The fourth proportional to 2,722.08, 4,086.36 and 1,626.96 is: 2,442.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,722.08 : 4,086.36 = 1,626.96 : x
  2. Step 2: Convert to fraction form
    2,722.08/4,086.36 = 1,626.96/x
  3. Step 3: Cross multiply
    2,722.08x = 4,086.36 × 1,626.96
  4. Step 4: Simplify right side
    2,722.08x = 6,648,344.27
  5. Step 5: Solve for x
    x = 6,648,344.27/2,722.08
  6. Step 6: Final answer
    x = 2,442.38

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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.