Home / 3,101.16-4,277.74-2,218.26

Finding the Fourth Proportional to 3,101.16, 4,277.74 and 2,218.26

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Solution

The fourth proportional to 3,101.16, 4,277.74 and 2,218.26 is: 3,059.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,101.16 : 4,277.74 = 2,218.26 : x
  2. Step 2: Convert to fraction form
    3,101.16/4,277.74 = 2,218.26/x
  3. Step 3: Cross multiply
    3,101.16x = 4,277.74 × 2,218.26
  4. Step 4: Simplify right side
    3,101.16x = 9,489,139.53
  5. Step 5: Solve for x
    x = 9,489,139.53/3,101.16
  6. Step 6: Final answer
    x = 3,059.87

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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.