Home / 1,605.38-2,214-1,250.60

Finding the Fourth Proportional to 1,605.38, 2,214 and 1,250.60

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Solution

The fourth proportional to 1,605.38, 2,214 and 1,250.60 is: 1,724.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605.38 : 2,214 = 1,250.60 : x
  2. Step 2: Convert to fraction form
    1,605.38/2,214 = 1,250.60/x
  3. Step 3: Cross multiply
    1,605.38x = 2,214 × 1,250.60
  4. Step 4: Simplify right side
    1,605.38x = 2,768,817.33
  5. Step 5: Solve for x
    x = 2,768,817.33/1,605.38
  6. Step 6: Final answer
    x = 1,724.72

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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.