Home / 3,278.26-4,525.84-2,271.43

Finding the Fourth Proportional to 3,278.26, 4,525.84 and 2,271.43

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Solution

The fourth proportional to 3,278.26, 4,525.84 and 2,271.43 is: 3,135.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278.26 : 4,525.84 = 2,271.43 : x
  2. Step 2: Convert to fraction form
    3,278.26/4,525.84 = 2,271.43/x
  3. Step 3: Cross multiply
    3,278.26x = 4,525.84 × 2,271.43
  4. Step 4: Simplify right side
    3,278.26x = 10,280,128.75
  5. Step 5: Solve for x
    x = 10,280,128.75/3,278.26
  6. Step 6: Final answer
    x = 3,135.85

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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.