Home / 3,968.42-5,476.62-2,199.99

Finding the Fourth Proportional to 3,968.42, 5,476.62 and 2,199.99

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Solution

The fourth proportional to 3,968.42, 5,476.62 and 2,199.99 is: 3,036.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,968.42 : 5,476.62 = 2,199.99 : x
  2. Step 2: Convert to fraction form
    3,968.42/5,476.62 = 2,199.99/x
  3. Step 3: Cross multiply
    3,968.42x = 5,476.62 × 2,199.99
  4. Step 4: Simplify right side
    3,968.42x = 12,048,509.23
  5. Step 5: Solve for x
    x = 12,048,509.23/3,968.42
  6. Step 6: Final answer
    x = 3,036.10

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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.