Home / 3,278.88-4,521.83-2,950.83

Finding the Fourth Proportional to 3,278.88, 4,521.83 and 2,950.83

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Solution

The fourth proportional to 3,278.88, 4,521.83 and 2,950.83 is: 4,069.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278.88 : 4,521.83 = 2,950.83 : x
  2. Step 2: Convert to fraction form
    3,278.88/4,521.83 = 2,950.83/x
  3. Step 3: Cross multiply
    3,278.88x = 4,521.83 × 2,950.83
  4. Step 4: Simplify right side
    3,278.88x = 13,343,136.86
  5. Step 5: Solve for x
    x = 13,343,136.86/3,278.88
  6. Step 6: Final answer
    x = 4,069.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.