Home / 2,218.92-3,065.22-1,601.16

Finding the Fourth Proportional to 2,218.92, 3,065.22 and 1,601.16

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Solution

The fourth proportional to 2,218.92, 3,065.22 and 1,601.16 is: 2,211.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,218.92 : 3,065.22 = 1,601.16 : x
  2. Step 2: Convert to fraction form
    2,218.92/3,065.22 = 1,601.16/x
  3. Step 3: Cross multiply
    2,218.92x = 3,065.22 × 1,601.16
  4. Step 4: Simplify right side
    2,218.92x = 4,907,907.66
  5. Step 5: Solve for x
    x = 4,907,907.66/2,218.92
  6. Step 6: Final answer
    x = 2,211.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.