Home / 2,259.80-3,391.32-1,334.80

Finding the Fourth Proportional to 2,259.80, 3,391.32 and 1,334.80

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Solution

The fourth proportional to 2,259.80, 3,391.32 and 1,334.80 is: 2,003.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,259.80 : 3,391.32 = 1,334.80 : x
  2. Step 2: Convert to fraction form
    2,259.80/3,391.32 = 1,334.80/x
  3. Step 3: Cross multiply
    2,259.80x = 3,391.32 × 1,334.80
  4. Step 4: Simplify right side
    2,259.80x = 4,526,733.94
  5. Step 5: Solve for x
    x = 4,526,733.94/2,259.80
  6. Step 6: Final answer
    x = 2,003.16

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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.