Home / 3,311.50-4,571.91-2,134.63

Finding the Fourth Proportional to 3,311.50, 4,571.91 and 2,134.63

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Solution

The fourth proportional to 3,311.50, 4,571.91 and 2,134.63 is: 2,947.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,311.50 : 4,571.91 = 2,134.63 : x
  2. Step 2: Convert to fraction form
    3,311.50/4,571.91 = 2,134.63/x
  3. Step 3: Cross multiply
    3,311.50x = 4,571.91 × 2,134.63
  4. Step 4: Simplify right side
    3,311.50x = 9,759,336.24
  5. Step 5: Solve for x
    x = 9,759,336.24/3,311.50
  6. Step 6: Final answer
    x = 2,947.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.