Home / 2,850.66-4,273.36-1,389.02

Finding the Fourth Proportional to 2,850.66, 4,273.36 and 1,389.02

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Solution

The fourth proportional to 2,850.66, 4,273.36 and 1,389.02 is: 2,082.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850.66 : 4,273.36 = 1,389.02 : x
  2. Step 2: Convert to fraction form
    2,850.66/4,273.36 = 1,389.02/x
  3. Step 3: Cross multiply
    2,850.66x = 4,273.36 × 1,389.02
  4. Step 4: Simplify right side
    2,850.66x = 5,935,757.67
  5. Step 5: Solve for x
    x = 5,935,757.67/2,850.66
  6. Step 6: Final answer
    x = 2,082.24

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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.