Home / 1,766.98-2,438.45-1,243.92

Finding the Fourth Proportional to 1,766.98, 2,438.45 and 1,243.92

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Solution

The fourth proportional to 1,766.98, 2,438.45 and 1,243.92 is: 1,716.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,766.98 : 2,438.45 = 1,243.92 : x
  2. Step 2: Convert to fraction form
    1,766.98/2,438.45 = 1,243.92/x
  3. Step 3: Cross multiply
    1,766.98x = 2,438.45 × 1,243.92
  4. Step 4: Simplify right side
    1,766.98x = 3,033,236.72
  5. Step 5: Solve for x
    x = 3,033,236.72/1,766.98
  6. Step 6: Final answer
    x = 1,716.62

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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.