Home / 2,569.80-3,852.09-1,108.56

Finding the Fourth Proportional to 2,569.80, 3,852.09 and 1,108.56

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Solution

The fourth proportional to 2,569.80, 3,852.09 and 1,108.56 is: 1,661.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,569.80 : 3,852.09 = 1,108.56 : x
  2. Step 2: Convert to fraction form
    2,569.80/3,852.09 = 1,108.56/x
  3. Step 3: Cross multiply
    2,569.80x = 3,852.09 × 1,108.56
  4. Step 4: Simplify right side
    2,569.80x = 4,270,272.89
  5. Step 5: Solve for x
    x = 4,270,272.89/2,569.80
  6. Step 6: Final answer
    x = 1,661.71

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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.