Home / 3,616.24-4,988.28-2,218

Finding the Fourth Proportional to 3,616.24, 4,988.28 and 2,218

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Solution

The fourth proportional to 3,616.24, 4,988.28 and 2,218 is: 3,059.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,616.24 : 4,988.28 = 2,218 : x
  2. Step 2: Convert to fraction form
    3,616.24/4,988.28 = 2,218/x
  3. Step 3: Cross multiply
    3,616.24x = 4,988.28 × 2,218
  4. Step 4: Simplify right side
    3,616.24x = 11,064,005.04
  5. Step 5: Solve for x
    x = 11,064,005.04/3,616.24
  6. Step 6: Final answer
    x = 3,059.53

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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.