Home / 3,551.75-5,330.38-2,860.11

Finding the Fourth Proportional to 3,551.75, 5,330.38 and 2,860.11

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Solution

The fourth proportional to 3,551.75, 5,330.38 and 2,860.11 is: 4,292.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,551.75 : 5,330.38 = 2,860.11 : x
  2. Step 2: Convert to fraction form
    3,551.75/5,330.38 = 2,860.11/x
  3. Step 3: Cross multiply
    3,551.75x = 5,330.38 × 2,860.11
  4. Step 4: Simplify right side
    3,551.75x = 15,245,496.71
  5. Step 5: Solve for x
    x = 15,245,496.71/3,551.75
  6. Step 6: Final answer
    x = 4,292.39

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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.