Home / 2,631.23-3,631.10-1,452.30

Finding the Fourth Proportional to 2,631.23, 3,631.10 and 1,452.30

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Solution

The fourth proportional to 2,631.23, 3,631.10 and 1,452.30 is: 2,004.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631.23 : 3,631.10 = 1,452.30 : x
  2. Step 2: Convert to fraction form
    2,631.23/3,631.10 = 1,452.30/x
  3. Step 3: Cross multiply
    2,631.23x = 3,631.10 × 1,452.30
  4. Step 4: Simplify right side
    2,631.23x = 5,273,468.54
  5. Step 5: Solve for x
    x = 5,273,468.54/2,631.23
  6. Step 6: Final answer
    x = 2,004.18

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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.