Home / 2,216.03-3,320.91-1,229.28

Finding the Fourth Proportional to 2,216.03, 3,320.91 and 1,229.28

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Solution

The fourth proportional to 2,216.03, 3,320.91 and 1,229.28 is: 1,842.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,216.03 : 3,320.91 = 1,229.28 : x
  2. Step 2: Convert to fraction form
    2,216.03/3,320.91 = 1,229.28/x
  3. Step 3: Cross multiply
    2,216.03x = 3,320.91 × 1,229.28
  4. Step 4: Simplify right side
    2,216.03x = 4,082,328.24
  5. Step 5: Solve for x
    x = 4,082,328.24/2,216.03
  6. Step 6: Final answer
    x = 1,842.18

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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.