Home / 3,184.92-4,778.87-1,336.50

Finding the Fourth Proportional to 3,184.92, 4,778.87 and 1,336.50

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Solution

The fourth proportional to 3,184.92, 4,778.87 and 1,336.50 is: 2,005.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,184.92 : 4,778.87 = 1,336.50 : x
  2. Step 2: Convert to fraction form
    3,184.92/4,778.87 = 1,336.50/x
  3. Step 3: Cross multiply
    3,184.92x = 4,778.87 × 1,336.50
  4. Step 4: Simplify right side
    3,184.92x = 6,386,953.07
  5. Step 5: Solve for x
    x = 6,386,953.07/3,184.92
  6. Step 6: Final answer
    x = 2,005.37

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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.