Home / 2,834.31-4,252.86-1,275.42

Finding the Fourth Proportional to 2,834.31, 4,252.86 and 1,275.42

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Solution

The fourth proportional to 2,834.31, 4,252.86 and 1,275.42 is: 1,913.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,834.31 : 4,252.86 = 1,275.42 : x
  2. Step 2: Convert to fraction form
    2,834.31/4,252.86 = 1,275.42/x
  3. Step 3: Cross multiply
    2,834.31x = 4,252.86 × 1,275.42
  4. Step 4: Simplify right side
    2,834.31x = 5,424,161.44
  5. Step 5: Solve for x
    x = 5,424,161.44/2,834.31
  6. Step 6: Final answer
    x = 1,913.75

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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.