Home / 2,216.20-3,319.75-1,601.14

Finding the Fourth Proportional to 2,216.20, 3,319.75 and 1,601.14

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Solution

The fourth proportional to 2,216.20, 3,319.75 and 1,601.14 is: 2,398.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,216.20 : 3,319.75 = 1,601.14 : x
  2. Step 2: Convert to fraction form
    2,216.20/3,319.75 = 1,601.14/x
  3. Step 3: Cross multiply
    2,216.20x = 3,319.75 × 1,601.14
  4. Step 4: Simplify right side
    2,216.20x = 5,315,384.52
  5. Step 5: Solve for x
    x = 5,315,384.52/2,216.20
  6. Step 6: Final answer
    x = 2,398.42

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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.