Home / 2,679.14-4,015.83-1,035.20

Finding the Fourth Proportional to 2,679.14, 4,015.83 and 1,035.20

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Solution

The fourth proportional to 2,679.14, 4,015.83 and 1,035.20 is: 1,551.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,679.14 : 4,015.83 = 1,035.20 : x
  2. Step 2: Convert to fraction form
    2,679.14/4,015.83 = 1,035.20/x
  3. Step 3: Cross multiply
    2,679.14x = 4,015.83 × 1,035.20
  4. Step 4: Simplify right side
    2,679.14x = 4,157,187.22
  5. Step 5: Solve for x
    x = 4,157,187.22/2,679.14
  6. Step 6: Final answer
    x = 1,551.69

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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.