Home / 2,631.39-3,631.26-1,452.57

Finding the Fourth Proportional to 2,631.39, 3,631.26 and 1,452.57

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Solution

The fourth proportional to 2,631.39, 3,631.26 and 1,452.57 is: 2,004.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631.39 : 3,631.26 = 1,452.57 : x
  2. Step 2: Convert to fraction form
    2,631.39/3,631.26 = 1,452.57/x
  3. Step 3: Cross multiply
    2,631.39x = 3,631.26 × 1,452.57
  4. Step 4: Simplify right side
    2,631.39x = 5,274,659.34
  5. Step 5: Solve for x
    x = 5,274,659.34/2,631.39
  6. Step 6: Final answer
    x = 2,004.51

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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.