Home / 3,865.24-5,336.81-2,375.16

Finding the Fourth Proportional to 3,865.24, 5,336.81 and 2,375.16

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Solution

The fourth proportional to 3,865.24, 5,336.81 and 2,375.16 is: 3,279.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,865.24 : 5,336.81 = 2,375.16 : x
  2. Step 2: Convert to fraction form
    3,865.24/5,336.81 = 2,375.16/x
  3. Step 3: Cross multiply
    3,865.24x = 5,336.81 × 2,375.16
  4. Step 4: Simplify right side
    3,865.24x = 12,675,777.64
  5. Step 5: Solve for x
    x = 12,675,777.64/3,865.24
  6. Step 6: Final answer
    x = 3,279.43

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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.