Home / 3,213.93-4,437.85-2,375.58

Finding the Fourth Proportional to 3,213.93, 4,437.85 and 2,375.58

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Solution

The fourth proportional to 3,213.93, 4,437.85 and 2,375.58 is: 3,280.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213.93 : 4,437.85 = 2,375.58 : x
  2. Step 2: Convert to fraction form
    3,213.93/4,437.85 = 2,375.58/x
  3. Step 3: Cross multiply
    3,213.93x = 4,437.85 × 2,375.58
  4. Step 4: Simplify right side
    3,213.93x = 10,542,467.70
  5. Step 5: Solve for x
    x = 10,542,467.70/3,213.93
  6. Step 6: Final answer
    x = 3,280.24

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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.