Home / 3,521.89-5,277.26-2,860.56

Finding the Fourth Proportional to 3,521.89, 5,277.26 and 2,860.56

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Solution

The fourth proportional to 3,521.89, 5,277.26 and 2,860.56 is: 4,286.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,521.89 : 5,277.26 = 2,860.56 : x
  2. Step 2: Convert to fraction form
    3,521.89/5,277.26 = 2,860.56/x
  3. Step 3: Cross multiply
    3,521.89x = 5,277.26 × 2,860.56
  4. Step 4: Simplify right side
    3,521.89x = 15,095,891.53
  5. Step 5: Solve for x
    x = 15,095,891.53/3,521.89
  6. Step 6: Final answer
    x = 4,286.31

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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.