Home / 3,847.78-5,304.28-2,725.24

Finding the Fourth Proportional to 3,847.78, 5,304.28 and 2,725.24

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Solution

The fourth proportional to 3,847.78, 5,304.28 and 2,725.24 is: 3,756.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,847.78 : 5,304.28 = 2,725.24 : x
  2. Step 2: Convert to fraction form
    3,847.78/5,304.28 = 2,725.24/x
  3. Step 3: Cross multiply
    3,847.78x = 5,304.28 × 2,725.24
  4. Step 4: Simplify right side
    3,847.78x = 14,455,436.03
  5. Step 5: Solve for x
    x = 14,455,436.03/3,847.78
  6. Step 6: Final answer
    x = 3,756.82

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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.