Home / 2,419.56-3,337.79-1,579.88

Finding the Fourth Proportional to 2,419.56, 3,337.79 and 1,579.88

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Solution

The fourth proportional to 2,419.56, 3,337.79 and 1,579.88 is: 2,179.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,419.56 : 3,337.79 = 1,579.88 : x
  2. Step 2: Convert to fraction form
    2,419.56/3,337.79 = 1,579.88/x
  3. Step 3: Cross multiply
    2,419.56x = 3,337.79 × 1,579.88
  4. Step 4: Simplify right side
    2,419.56x = 5,273,283.08
  5. Step 5: Solve for x
    x = 5,273,283.08/2,419.56
  6. Step 6: Final answer
    x = 2,179.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.