Home / 3,001.33-4,142.34-2,217.64

Finding the Fourth Proportional to 3,001.33, 4,142.34 and 2,217.64

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Solution

The fourth proportional to 3,001.33, 4,142.34 and 2,217.64 is: 3,060.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,001.33 : 4,142.34 = 2,217.64 : x
  2. Step 2: Convert to fraction form
    3,001.33/4,142.34 = 2,217.64/x
  3. Step 3: Cross multiply
    3,001.33x = 4,142.34 × 2,217.64
  4. Step 4: Simplify right side
    3,001.33x = 9,186,218.88
  5. Step 5: Solve for x
    x = 9,186,218.88/3,001.33
  6. Step 6: Final answer
    x = 3,060.72

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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.