Home / 3,311.65-4,968.95-1,231.17

Finding the Fourth Proportional to 3,311.65, 4,968.95 and 1,231.17

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Solution

The fourth proportional to 3,311.65, 4,968.95 and 1,231.17 is: 1,847.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,311.65 : 4,968.95 = 1,231.17 : x
  2. Step 2: Convert to fraction form
    3,311.65/4,968.95 = 1,231.17/x
  3. Step 3: Cross multiply
    3,311.65x = 4,968.95 × 1,231.17
  4. Step 4: Simplify right side
    3,311.65x = 6,117,622.17
  5. Step 5: Solve for x
    x = 6,117,622.17/3,311.65
  6. Step 6: Final answer
    x = 1,847.30

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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.