Home / 2,458.22-3,687.33-1,431.50

Finding the Fourth Proportional to 2,458.22, 3,687.33 and 1,431.50

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Solution

The fourth proportional to 2,458.22, 3,687.33 and 1,431.50 is: 2,147.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,458.22 : 3,687.33 = 1,431.50 : x
  2. Step 2: Convert to fraction form
    2,458.22/3,687.33 = 1,431.50/x
  3. Step 3: Cross multiply
    2,458.22x = 3,687.33 × 1,431.50
  4. Step 4: Simplify right side
    2,458.22x = 5,278,412.90
  5. Step 5: Solve for x
    x = 5,278,412.90/2,458.22
  6. Step 6: Final answer
    x = 2,147.25

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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.