Home / 2,744.16-4,115.22-2,160.30

Finding the Fourth Proportional to 2,744.16, 4,115.22 and 2,160.30

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Solution

The fourth proportional to 2,744.16, 4,115.22 and 2,160.30 is: 3,239.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,744.16 : 4,115.22 = 2,160.30 : x
  2. Step 2: Convert to fraction form
    2,744.16/4,115.22 = 2,160.30/x
  3. Step 3: Cross multiply
    2,744.16x = 4,115.22 × 2,160.30
  4. Step 4: Simplify right side
    2,744.16x = 8,890,109.77
  5. Step 5: Solve for x
    x = 8,890,109.77/2,744.16
  6. Step 6: Final answer
    x = 3,239.65

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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.