Home / 2,911.26-4,366.77-1,267.80

Finding the Fourth Proportional to 2,911.26, 4,366.77 and 1,267.80

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Solution

The fourth proportional to 2,911.26, 4,366.77 and 1,267.80 is: 1,901.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911.26 : 4,366.77 = 1,267.80 : x
  2. Step 2: Convert to fraction form
    2,911.26/4,366.77 = 1,267.80/x
  3. Step 3: Cross multiply
    2,911.26x = 4,366.77 × 1,267.80
  4. Step 4: Simplify right side
    2,911.26x = 5,536,191.01
  5. Step 5: Solve for x
    x = 5,536,191.01/2,911.26
  6. Step 6: Final answer
    x = 1,901.65

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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.