Home / 2,555.20-3,830.73-1,579.24

Finding the Fourth Proportional to 2,555.20, 3,830.73 and 1,579.24

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Solution

The fourth proportional to 2,555.20, 3,830.73 and 1,579.24 is: 2,367.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,555.20 : 3,830.73 = 1,579.24 : x
  2. Step 2: Convert to fraction form
    2,555.20/3,830.73 = 1,579.24/x
  3. Step 3: Cross multiply
    2,555.20x = 3,830.73 × 1,579.24
  4. Step 4: Simplify right side
    2,555.20x = 6,049,642.05
  5. Step 5: Solve for x
    x = 6,049,642.05/2,555.20
  6. Step 6: Final answer
    x = 2,367.58

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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.