Home / 2,816.84-4,222.56-1,843.76

Finding the Fourth Proportional to 2,816.84, 4,222.56 and 1,843.76

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Solution

The fourth proportional to 2,816.84, 4,222.56 and 1,843.76 is: 2,763.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,816.84 : 4,222.56 = 1,843.76 : x
  2. Step 2: Convert to fraction form
    2,816.84/4,222.56 = 1,843.76/x
  3. Step 3: Cross multiply
    2,816.84x = 4,222.56 × 1,843.76
  4. Step 4: Simplify right side
    2,816.84x = 7,785,387.23
  5. Step 5: Solve for x
    x = 7,785,387.23/2,816.84
  6. Step 6: Final answer
    x = 2,763.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.