Home / 3,336.98-5,000.81-1,581.30

Finding the Fourth Proportional to 3,336.98, 5,000.81 and 1,581.30

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Solution

The fourth proportional to 3,336.98, 5,000.81 and 1,581.30 is: 2,369.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,336.98 : 5,000.81 = 1,581.30 : x
  2. Step 2: Convert to fraction form
    3,336.98/5,000.81 = 1,581.30/x
  3. Step 3: Cross multiply
    3,336.98x = 5,000.81 × 1,581.30
  4. Step 4: Simplify right side
    3,336.98x = 7,907,772.95
  5. Step 5: Solve for x
    x = 7,907,772.95/3,336.98
  6. Step 6: Final answer
    x = 2,369.74

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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.