Home / 2,425.40-3,631.62-1,449.08

Finding the Fourth Proportional to 2,425.40, 3,631.62 and 1,449.08

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Solution

The fourth proportional to 2,425.40, 3,631.62 and 1,449.08 is: 2,169.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,425.40 : 3,631.62 = 1,449.08 : x
  2. Step 2: Convert to fraction form
    2,425.40/3,631.62 = 1,449.08/x
  3. Step 3: Cross multiply
    2,425.40x = 3,631.62 × 1,449.08
  4. Step 4: Simplify right side
    2,425.40x = 5,262,507.91
  5. Step 5: Solve for x
    x = 5,262,507.91/2,425.40
  6. Step 6: Final answer
    x = 2,169.75

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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.