Home / 2,889.27-4,340.84-1,851.29

Finding the Fourth Proportional to 2,889.27, 4,340.84 and 1,851.29

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Solution

The fourth proportional to 2,889.27, 4,340.84 and 1,851.29 is: 2,781.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,889.27 : 4,340.84 = 1,851.29 : x
  2. Step 2: Convert to fraction form
    2,889.27/4,340.84 = 1,851.29/x
  3. Step 3: Cross multiply
    2,889.27x = 4,340.84 × 1,851.29
  4. Step 4: Simplify right side
    2,889.27x = 8,036,153.68
  5. Step 5: Solve for x
    x = 8,036,153.68/2,889.27
  6. Step 6: Final answer
    x = 2,781.38

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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.