Home / 2,851.68-4,274.11-1,864.97

Finding the Fourth Proportional to 2,851.68, 4,274.11 and 1,864.97

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Solution

The fourth proportional to 2,851.68, 4,274.11 and 1,864.97 is: 2,795.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,851.68 : 4,274.11 = 1,864.97 : x
  2. Step 2: Convert to fraction form
    2,851.68/4,274.11 = 1,864.97/x
  3. Step 3: Cross multiply
    2,851.68x = 4,274.11 × 1,864.97
  4. Step 4: Simplify right side
    2,851.68x = 7,971,086.93
  5. Step 5: Solve for x
    x = 7,971,086.93/2,851.68
  6. Step 6: Final answer
    x = 2,795.22

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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.