Home / 2,693.18-4,039.09-1,910.90

Finding the Fourth Proportional to 2,693.18, 4,039.09 and 1,910.90

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Solution

The fourth proportional to 2,693.18, 4,039.09 and 1,910.90 is: 2,865.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,693.18 : 4,039.09 = 1,910.90 : x
  2. Step 2: Convert to fraction form
    2,693.18/4,039.09 = 1,910.90/x
  3. Step 3: Cross multiply
    2,693.18x = 4,039.09 × 1,910.90
  4. Step 4: Simplify right side
    2,693.18x = 7,718,297.08
  5. Step 5: Solve for x
    x = 7,718,297.08/2,693.18
  6. Step 6: Final answer
    x = 2,865.87

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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.