Home / 3,804.78-5,250.20-2,126.26

Finding the Fourth Proportional to 3,804.78, 5,250.20 and 2,126.26

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Solution

The fourth proportional to 3,804.78, 5,250.20 and 2,126.26 is: 2,934.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,804.78 : 5,250.20 = 2,126.26 : x
  2. Step 2: Convert to fraction form
    3,804.78/5,250.20 = 2,126.26/x
  3. Step 3: Cross multiply
    3,804.78x = 5,250.20 × 2,126.26
  4. Step 4: Simplify right side
    3,804.78x = 11,163,286.18
  5. Step 5: Solve for x
    x = 11,163,286.18/3,804.78
  6. Step 6: Final answer
    x = 2,934.01

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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.