Home / 1,766.38-2,645.36-1,399.98

Finding the Fourth Proportional to 1,766.38, 2,645.36 and 1,399.98

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Solution

The fourth proportional to 1,766.38, 2,645.36 and 1,399.98 is: 2,096.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,766.38 : 2,645.36 = 1,399.98 : x
  2. Step 2: Convert to fraction form
    1,766.38/2,645.36 = 1,399.98/x
  3. Step 3: Cross multiply
    1,766.38x = 2,645.36 × 1,399.98
  4. Step 4: Simplify right side
    1,766.38x = 3,703,451.09
  5. Step 5: Solve for x
    x = 3,703,451.09/1,766.38
  6. Step 6: Final answer
    x = 2,096.63

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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.