Home / 3,968.48-5,476.28-2,199.98

Finding the Fourth Proportional to 3,968.48, 5,476.28 and 2,199.98

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Solution

The fourth proportional to 3,968.48, 5,476.28 and 2,199.98 is: 3,035.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,968.48 : 5,476.28 = 2,199.98 : x
  2. Step 2: Convert to fraction form
    3,968.48/5,476.28 = 2,199.98/x
  3. Step 3: Cross multiply
    3,968.48x = 5,476.28 × 2,199.98
  4. Step 4: Simplify right side
    3,968.48x = 12,047,706.47
  5. Step 5: Solve for x
    x = 12,047,706.47/3,968.48
  6. Step 6: Final answer
    x = 3,035.85

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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.