Home / 2,579.68-3,867.84-1,347.36

Finding the Fourth Proportional to 2,579.68, 3,867.84 and 1,347.36

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Solution

The fourth proportional to 2,579.68, 3,867.84 and 1,347.36 is: 2,020.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,579.68 : 3,867.84 = 1,347.36 : x
  2. Step 2: Convert to fraction form
    2,579.68/3,867.84 = 1,347.36/x
  3. Step 3: Cross multiply
    2,579.68x = 3,867.84 × 1,347.36
  4. Step 4: Simplify right side
    2,579.68x = 5,211,372.90
  5. Step 5: Solve for x
    x = 5,211,372.90/2,579.68
  6. Step 6: Final answer
    x = 2,020.16

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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.