Home / 4,182.42-5,772.51-2,855.28

Finding the Fourth Proportional to 4,182.42, 5,772.51 and 2,855.28

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Solution

The fourth proportional to 4,182.42, 5,772.51 and 2,855.28 is: 3,940.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,182.42 : 5,772.51 = 2,855.28 : x
  2. Step 2: Convert to fraction form
    4,182.42/5,772.51 = 2,855.28/x
  3. Step 3: Cross multiply
    4,182.42x = 5,772.51 × 2,855.28
  4. Step 4: Simplify right side
    4,182.42x = 16,482,132.35
  5. Step 5: Solve for x
    x = 16,482,132.35/4,182.42
  6. Step 6: Final answer
    x = 3,940.81

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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.