Home / 2,219.16-3,329.55-1,294.55

Finding the Fourth Proportional to 2,219.16, 3,329.55 and 1,294.55

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Solution

The fourth proportional to 2,219.16, 3,329.55 and 1,294.55 is: 1,942.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,219.16 : 3,329.55 = 1,294.55 : x
  2. Step 2: Convert to fraction form
    2,219.16/3,329.55 = 1,294.55/x
  3. Step 3: Cross multiply
    2,219.16x = 3,329.55 × 1,294.55
  4. Step 4: Simplify right side
    2,219.16x = 4,310,252.30
  5. Step 5: Solve for x
    x = 4,310,252.30/2,219.16
  6. Step 6: Final answer
    x = 1,942.29

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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.