Home / 2,876.91-4,311.25-2,289.26

Finding the Fourth Proportional to 2,876.91, 4,311.25 and 2,289.26

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Solution

The fourth proportional to 2,876.91, 4,311.25 and 2,289.26 is: 3,430.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,876.91 : 4,311.25 = 2,289.26 : x
  2. Step 2: Convert to fraction form
    2,876.91/4,311.25 = 2,289.26/x
  3. Step 3: Cross multiply
    2,876.91x = 4,311.25 × 2,289.26
  4. Step 4: Simplify right side
    2,876.91x = 9,869,583.67
  5. Step 5: Solve for x
    x = 9,869,583.67/2,876.91
  6. Step 6: Final answer
    x = 3,430.62

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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.