Home / 3,616.83-5,428.32-2,579.37

Finding the Fourth Proportional to 3,616.83, 5,428.32 and 2,579.37

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Solution

The fourth proportional to 3,616.83, 5,428.32 and 2,579.37 is: 3,871.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,616.83 : 5,428.32 = 2,579.37 : x
  2. Step 2: Convert to fraction form
    3,616.83/5,428.32 = 2,579.37/x
  3. Step 3: Cross multiply
    3,616.83x = 5,428.32 × 2,579.37
  4. Step 4: Simplify right side
    3,616.83x = 14,001,645.76
  5. Step 5: Solve for x
    x = 14,001,645.76/3,616.83
  6. Step 6: Final answer
    x = 3,871.25

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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.