Home / 3,274.35-4,519.91-1,947.80

Finding the Fourth Proportional to 3,274.35, 4,519.91 and 1,947.80

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Solution

The fourth proportional to 3,274.35, 4,519.91 and 1,947.80 is: 2,688.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,274.35 : 4,519.91 = 1,947.80 : x
  2. Step 2: Convert to fraction form
    3,274.35/4,519.91 = 1,947.80/x
  3. Step 3: Cross multiply
    3,274.35x = 4,519.91 × 1,947.80
  4. Step 4: Simplify right side
    3,274.35x = 8,803,874.18
  5. Step 5: Solve for x
    x = 8,803,874.18/3,274.35
  6. Step 6: Final answer
    x = 2,688.74

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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.