Home / 3,822.28-5,277.78-3,073.84

Finding the Fourth Proportional to 3,822.28, 5,277.78 and 3,073.84

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Solution

The fourth proportional to 3,822.28, 5,277.78 and 3,073.84 is: 4,244.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,822.28 : 5,277.78 = 3,073.84 : x
  2. Step 2: Convert to fraction form
    3,822.28/5,277.78 = 3,073.84/x
  3. Step 3: Cross multiply
    3,822.28x = 5,277.78 × 3,073.84
  4. Step 4: Simplify right side
    3,822.28x = 16,223,051.28
  5. Step 5: Solve for x
    x = 16,223,051.28/3,822.28
  6. Step 6: Final answer
    x = 4,244.34

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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.