Home / 2,219.10-3,329.22-758.04

Finding the Fourth Proportional to 2,219.10, 3,329.22 and 758.04

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Solution

The fourth proportional to 2,219.10, 3,329.22 and 758.04 is: 1,137.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,219.10 : 3,329.22 = 758.04 : x
  2. Step 2: Convert to fraction form
    2,219.10/3,329.22 = 758.04/x
  3. Step 3: Cross multiply
    2,219.10x = 3,329.22 × 758.04
  4. Step 4: Simplify right side
    2,219.10x = 2,523,681.93
  5. Step 5: Solve for x
    x = 2,523,681.93/2,219.10
  6. Step 6: Final answer
    x = 1,137.25

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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.