Home / 2,761.20-3,808.73-1,713.26

Finding the Fourth Proportional to 2,761.20, 3,808.73 and 1,713.26

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Solution

The fourth proportional to 2,761.20, 3,808.73 and 1,713.26 is: 2,363.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,761.20 : 3,808.73 = 1,713.26 : x
  2. Step 2: Convert to fraction form
    2,761.20/3,808.73 = 1,713.26/x
  3. Step 3: Cross multiply
    2,761.20x = 3,808.73 × 1,713.26
  4. Step 4: Simplify right side
    2,761.20x = 6,525,317.15
  5. Step 5: Solve for x
    x = 6,525,317.15/2,761.20
  6. Step 6: Final answer
    x = 2,363.22

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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.