Home / 2,839.29-4,257.47-1,277.96

Finding the Fourth Proportional to 2,839.29, 4,257.47 and 1,277.96

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Solution

The fourth proportional to 2,839.29, 4,257.47 and 1,277.96 is: 1,916.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,839.29 : 4,257.47 = 1,277.96 : x
  2. Step 2: Convert to fraction form
    2,839.29/4,257.47 = 1,277.96/x
  3. Step 3: Cross multiply
    2,839.29x = 4,257.47 × 1,277.96
  4. Step 4: Simplify right side
    2,839.29x = 5,440,848.68
  5. Step 5: Solve for x
    x = 5,440,848.68/2,839.29
  6. Step 6: Final answer
    x = 1,916.27

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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.