Home / 2,579.31-3,862.35-1,481.76

Finding the Fourth Proportional to 2,579.31, 3,862.35 and 1,481.76

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Solution

The fourth proportional to 2,579.31, 3,862.35 and 1,481.76 is: 2,218.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,579.31 : 3,862.35 = 1,481.76 : x
  2. Step 2: Convert to fraction form
    2,579.31/3,862.35 = 1,481.76/x
  3. Step 3: Cross multiply
    2,579.31x = 3,862.35 × 1,481.76
  4. Step 4: Simplify right side
    2,579.31x = 5,723,075.74
  5. Step 5: Solve for x
    x = 5,723,075.74/2,579.31
  6. Step 6: Final answer
    x = 2,218.84

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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.