Home / 2,622.12-3,921.56-2,331.66

Finding the Fourth Proportional to 2,622.12, 3,921.56 and 2,331.66

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Solution

The fourth proportional to 2,622.12, 3,921.56 and 2,331.66 is: 3,487.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,622.12 : 3,921.56 = 2,331.66 : x
  2. Step 2: Convert to fraction form
    2,622.12/3,921.56 = 2,331.66/x
  3. Step 3: Cross multiply
    2,622.12x = 3,921.56 × 2,331.66
  4. Step 4: Simplify right side
    2,622.12x = 9,143,758.47
  5. Step 5: Solve for x
    x = 9,143,758.47/2,622.12
  6. Step 6: Final answer
    x = 3,487.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.