Home / 3,895.37-5,375.40-2,126.94

Finding the Fourth Proportional to 3,895.37, 5,375.40 and 2,126.94

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Solution

The fourth proportional to 3,895.37, 5,375.40 and 2,126.94 is: 2,935.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,895.37 : 5,375.40 = 2,126.94 : x
  2. Step 2: Convert to fraction form
    3,895.37/5,375.40 = 2,126.94/x
  3. Step 3: Cross multiply
    3,895.37x = 5,375.40 × 2,126.94
  4. Step 4: Simplify right side
    3,895.37x = 11,433,153.28
  5. Step 5: Solve for x
    x = 11,433,153.28/3,895.37
  6. Step 6: Final answer
    x = 2,935.07

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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.