Home / 3,002.33-4,143.72-2,218.64

Finding the Fourth Proportional to 3,002.33, 4,143.72 and 2,218.64

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Solution

The fourth proportional to 3,002.33, 4,143.72 and 2,218.64 is: 3,062.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,002.33 : 4,143.72 = 2,218.64 : x
  2. Step 2: Convert to fraction form
    3,002.33/4,143.72 = 2,218.64/x
  3. Step 3: Cross multiply
    3,002.33x = 4,143.72 × 2,218.64
  4. Step 4: Simplify right side
    3,002.33x = 9,193,422.94
  5. Step 5: Solve for x
    x = 9,193,422.94/3,002.33
  6. Step 6: Final answer
    x = 3,062.10

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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.