Home / 3,968.65-5,476.43-2,200.22

Finding the Fourth Proportional to 3,968.65, 5,476.43 and 2,200.22

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Solution

The fourth proportional to 3,968.65, 5,476.43 and 2,200.22 is: 3,036.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,968.65 : 5,476.43 = 2,200.22 : x
  2. Step 2: Convert to fraction form
    3,968.65/5,476.43 = 2,200.22/x
  3. Step 3: Cross multiply
    3,968.65x = 5,476.43 × 2,200.22
  4. Step 4: Simplify right side
    3,968.65x = 12,049,350.81
  5. Step 5: Solve for x
    x = 12,049,350.81/3,968.65
  6. Step 6: Final answer
    x = 3,036.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.