Home / 3,616.71-5,428.13-2,579.25

Finding the Fourth Proportional to 3,616.71, 5,428.13 and 2,579.25

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Solution

The fourth proportional to 3,616.71, 5,428.13 and 2,579.25 is: 3,871.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,616.71 : 5,428.13 = 2,579.25 : x
  2. Step 2: Convert to fraction form
    3,616.71/5,428.13 = 2,579.25/x
  3. Step 3: Cross multiply
    3,616.71x = 5,428.13 × 2,579.25
  4. Step 4: Simplify right side
    3,616.71x = 14,000,504.30
  5. Step 5: Solve for x
    x = 14,000,504.30/3,616.71
  6. Step 6: Final answer
    x = 3,871.07

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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.