Home / 1,629.89-2,441.06-979.19

Finding the Fourth Proportional to 1,629.89, 2,441.06 and 979.19

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Solution

The fourth proportional to 1,629.89, 2,441.06 and 979.19 is: 1,466.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629.89 : 2,441.06 = 979.19 : x
  2. Step 2: Convert to fraction form
    1,629.89/2,441.06 = 979.19/x
  3. Step 3: Cross multiply
    1,629.89x = 2,441.06 × 979.19
  4. Step 4: Simplify right side
    1,629.89x = 2,390,251.78
  5. Step 5: Solve for x
    x = 2,390,251.78/1,629.89
  6. Step 6: Final answer
    x = 1,466.52

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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.