Home / 2,282.16-3,422.74-1,111.66

Finding the Fourth Proportional to 2,282.16, 3,422.74 and 1,111.66

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Solution

The fourth proportional to 2,282.16, 3,422.74 and 1,111.66 is: 1,667.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,282.16 : 3,422.74 = 1,111.66 : x
  2. Step 2: Convert to fraction form
    2,282.16/3,422.74 = 1,111.66/x
  3. Step 3: Cross multiply
    2,282.16x = 3,422.74 × 1,111.66
  4. Step 4: Simplify right side
    2,282.16x = 3,804,923.15
  5. Step 5: Solve for x
    x = 3,804,923.15/2,282.16
  6. Step 6: Final answer
    x = 1,667.25

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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.