Home / 3,211.32-4,791.08-2,860.44

Finding the Fourth Proportional to 3,211.32, 4,791.08 and 2,860.44

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Solution

The fourth proportional to 3,211.32, 4,791.08 and 2,860.44 is: 4,267.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211.32 : 4,791.08 = 2,860.44 : x
  2. Step 2: Convert to fraction form
    3,211.32/4,791.08 = 2,860.44/x
  3. Step 3: Cross multiply
    3,211.32x = 4,791.08 × 2,860.44
  4. Step 4: Simplify right side
    3,211.32x = 13,704,596.88
  5. Step 5: Solve for x
    x = 13,704,596.88/3,211.32
  6. Step 6: Final answer
    x = 4,267.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.