Home / 3,071.04-4,233.24-2,816.80

Finding the Fourth Proportional to 3,071.04, 4,233.24 and 2,816.80

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Solution

The fourth proportional to 3,071.04, 4,233.24 and 2,816.80 is: 3,882.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,071.04 : 4,233.24 = 2,816.80 : x
  2. Step 2: Convert to fraction form
    3,071.04/4,233.24 = 2,816.80/x
  3. Step 3: Cross multiply
    3,071.04x = 4,233.24 × 2,816.80
  4. Step 4: Simplify right side
    3,071.04x = 11,924,190.43
  5. Step 5: Solve for x
    x = 11,924,190.43/3,071.04
  6. Step 6: Final answer
    x = 3,882.79

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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.