Home / 2,169.54-2,968.92-2,124.18

Finding the Fourth Proportional to 2,169.54, 2,968.92 and 2,124.18

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Solution

The fourth proportional to 2,169.54, 2,968.92 and 2,124.18 is: 2,906.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,169.54 : 2,968.92 = 2,124.18 : x
  2. Step 2: Convert to fraction form
    2,169.54/2,968.92 = 2,124.18/x
  3. Step 3: Cross multiply
    2,169.54x = 2,968.92 × 2,124.18
  4. Step 4: Simplify right side
    2,169.54x = 6,306,520.49
  5. Step 5: Solve for x
    x = 6,306,520.49/2,169.54
  6. Step 6: Final answer
    x = 2,906.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.