Home / 1,579.58-2,179.25-949.62

Finding the Fourth Proportional to 1,579.58, 2,179.25 and 949.62

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Solution

The fourth proportional to 1,579.58, 2,179.25 and 949.62 is: 1,310.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579.58 : 2,179.25 = 949.62 : x
  2. Step 2: Convert to fraction form
    1,579.58/2,179.25 = 949.62/x
  3. Step 3: Cross multiply
    1,579.58x = 2,179.25 × 949.62
  4. Step 4: Simplify right side
    1,579.58x = 2,069,459.39
  5. Step 5: Solve for x
    x = 2,069,459.39/1,579.58
  6. Step 6: Final answer
    x = 1,310.13

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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.