Home / 2,271.72-3,426.46-2,001.20

Finding the Fourth Proportional to 2,271.72, 3,426.46 and 2,001.20

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Solution

The fourth proportional to 2,271.72, 3,426.46 and 2,001.20 is: 3,018.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,271.72 : 3,426.46 = 2,001.20 : x
  2. Step 2: Convert to fraction form
    2,271.72/3,426.46 = 2,001.20/x
  3. Step 3: Cross multiply
    2,271.72x = 3,426.46 × 2,001.20
  4. Step 4: Simplify right side
    2,271.72x = 6,857,031.75
  5. Step 5: Solve for x
    x = 6,857,031.75/2,271.72
  6. Step 6: Final answer
    x = 3,018.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.