Home / 2,351.46-3,238.17-2,201.20

Finding the Fourth Proportional to 2,351.46, 3,238.17 and 2,201.20

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Solution

The fourth proportional to 2,351.46, 3,238.17 and 2,201.20 is: 3,031.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,351.46 : 3,238.17 = 2,201.20 : x
  2. Step 2: Convert to fraction form
    2,351.46/3,238.17 = 2,201.20/x
  3. Step 3: Cross multiply
    2,351.46x = 3,238.17 × 2,201.20
  4. Step 4: Simplify right side
    2,351.46x = 7,127,848.80
  5. Step 5: Solve for x
    x = 7,127,848.80/2,351.46
  6. Step 6: Final answer
    x = 3,031.25

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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.