Home / 2,579.74-3,869.48-2,427.54

Finding the Fourth Proportional to 2,579.74, 3,869.48 and 2,427.54

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Solution

The fourth proportional to 2,579.74, 3,869.48 and 2,427.54 is: 3,641.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,579.74 : 3,869.48 = 2,427.54 : x
  2. Step 2: Convert to fraction form
    2,579.74/3,869.48 = 2,427.54/x
  3. Step 3: Cross multiply
    2,579.74x = 3,869.48 × 2,427.54
  4. Step 4: Simplify right side
    2,579.74x = 9,393,317.48
  5. Step 5: Solve for x
    x = 9,393,317.48/2,579.74
  6. Step 6: Final answer
    x = 3,641.19

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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.