Home / 3,184.80-4,771.13-1,865.31

Finding the Fourth Proportional to 3,184.80, 4,771.13 and 1,865.31

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Solution

The fourth proportional to 3,184.80, 4,771.13 and 1,865.31 is: 2,794.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,184.80 : 4,771.13 = 1,865.31 : x
  2. Step 2: Convert to fraction form
    3,184.80/4,771.13 = 1,865.31/x
  3. Step 3: Cross multiply
    3,184.80x = 4,771.13 × 1,865.31
  4. Step 4: Simplify right side
    3,184.80x = 8,899,627.17
  5. Step 5: Solve for x
    x = 8,899,627.17/3,184.80
  6. Step 6: Final answer
    x = 2,794.41

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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.