Home / 2,834.89-4,223.85-2,675.74

Finding the Fourth Proportional to 2,834.89, 4,223.85 and 2,675.74

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Solution

The fourth proportional to 2,834.89, 4,223.85 and 2,675.74 is: 3,986.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,834.89 : 4,223.85 = 2,675.74 : x
  2. Step 2: Convert to fraction form
    2,834.89/4,223.85 = 2,675.74/x
  3. Step 3: Cross multiply
    2,834.89x = 4,223.85 × 2,675.74
  4. Step 4: Simplify right side
    2,834.89x = 11,301,889.90
  5. Step 5: Solve for x
    x = 11,301,889.90/2,834.89
  6. Step 6: Final answer
    x = 3,986.71

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.