Home / 3,184.50-4,771.87-1,334.61

Finding the Fourth Proportional to 3,184.50, 4,771.87 and 1,334.61

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Solution

The fourth proportional to 3,184.50, 4,771.87 and 1,334.61 is: 1,999.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,184.50 : 4,771.87 = 1,334.61 : x
  2. Step 2: Convert to fraction form
    3,184.50/4,771.87 = 1,334.61/x
  3. Step 3: Cross multiply
    3,184.50x = 4,771.87 × 1,334.61
  4. Step 4: Simplify right side
    3,184.50x = 6,368,585.42
  5. Step 5: Solve for x
    x = 6,368,585.42/3,184.50
  6. Step 6: Final answer
    x = 1,999.87

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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.