Home / 3,549.11-5,323.47-1,083.89

Finding the Fourth Proportional to 3,549.11, 5,323.47 and 1,083.89

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Solution

The fourth proportional to 3,549.11, 5,323.47 and 1,083.89 is: 1,625.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,549.11 : 5,323.47 = 1,083.89 : x
  2. Step 2: Convert to fraction form
    3,549.11/5,323.47 = 1,083.89/x
  3. Step 3: Cross multiply
    3,549.11x = 5,323.47 × 1,083.89
  4. Step 4: Simplify right side
    3,549.11x = 5,770,055.90
  5. Step 5: Solve for x
    x = 5,770,055.90/3,549.11
  6. Step 6: Final answer
    x = 1,625.78

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1.5x scale

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.