Home / 2,630.11-3,629.30-1,451.10

Finding the Fourth Proportional to 2,630.11, 3,629.30 and 1,451.10

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Solution

The fourth proportional to 2,630.11, 3,629.30 and 1,451.10 is: 2,002.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,630.11 : 3,629.30 = 1,451.10 : x
  2. Step 2: Convert to fraction form
    2,630.11/3,629.30 = 1,451.10/x
  3. Step 3: Cross multiply
    2,630.11x = 3,629.30 × 1,451.10
  4. Step 4: Simplify right side
    2,630.11x = 5,266,469.97
  5. Step 5: Solve for x
    x = 5,266,469.97/2,630.11
  6. Step 6: Final answer
    x = 2,002.38

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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.