Home / 1,723.67-2,585.49-425.14

Finding the Fourth Proportional to 1,723.67, 2,585.49 and 425.14

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Solution

The fourth proportional to 1,723.67, 2,585.49 and 425.14 is: 637.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,723.67 : 2,585.49 = 425.14 : x
  2. Step 2: Convert to fraction form
    1,723.67/2,585.49 = 425.14/x
  3. Step 3: Cross multiply
    1,723.67x = 2,585.49 × 425.14
  4. Step 4: Simplify right side
    1,723.67x = 1,099,195.22
  5. Step 5: Solve for x
    x = 1,099,195.22/1,723.67
  6. Step 6: Final answer
    x = 637.71

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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.