Home / 3,219.65-4,832.04-2,762.81

Finding the Fourth Proportional to 3,219.65, 4,832.04 and 2,762.81

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Solution

The fourth proportional to 3,219.65, 4,832.04 and 2,762.81 is: 4,146.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219.65 : 4,832.04 = 2,762.81 : x
  2. Step 2: Convert to fraction form
    3,219.65/4,832.04 = 2,762.81/x
  3. Step 3: Cross multiply
    3,219.65x = 4,832.04 × 2,762.81
  4. Step 4: Simplify right side
    3,219.65x = 13,350,008.43
  5. Step 5: Solve for x
    x = 13,350,008.43/3,219.65
  6. Step 6: Final answer
    x = 4,146.42

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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.