Home / 3,321.96-4,981.86-1,566.72

Finding the Fourth Proportional to 3,321.96, 4,981.86 and 1,566.72

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Solution

The fourth proportional to 3,321.96, 4,981.86 and 1,566.72 is: 2,349.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,321.96 : 4,981.86 = 1,566.72 : x
  2. Step 2: Convert to fraction form
    3,321.96/4,981.86 = 1,566.72/x
  3. Step 3: Cross multiply
    3,321.96x = 4,981.86 × 1,566.72
  4. Step 4: Simplify right side
    3,321.96x = 7,805,179.70
  5. Step 5: Solve for x
    x = 7,805,179.70/3,321.96
  6. Step 6: Final answer
    x = 2,349.57

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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.