Home / 4,949.56-7,419.38-2,028.68

Finding the Fourth Proportional to 4,949.56, 7,419.38 and 2,028.68

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Solution

The fourth proportional to 4,949.56, 7,419.38 and 2,028.68 is: 3,040.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,949.56 : 7,419.38 = 2,028.68 : x
  2. Step 2: Convert to fraction form
    4,949.56/7,419.38 = 2,028.68/x
  3. Step 3: Cross multiply
    4,949.56x = 7,419.38 × 2,028.68
  4. Step 4: Simplify right side
    4,949.56x = 15,051,547.82
  5. Step 5: Solve for x
    x = 15,051,547.82/4,949.56
  6. Step 6: Final answer
    x = 3,040.99

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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.