Home / 2,857.13-4,273.14-2,486.56

Finding the Fourth Proportional to 2,857.13, 4,273.14 and 2,486.56

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Solution

The fourth proportional to 2,857.13, 4,273.14 and 2,486.56 is: 3,718.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,857.13 : 4,273.14 = 2,486.56 : x
  2. Step 2: Convert to fraction form
    2,857.13/4,273.14 = 2,486.56/x
  3. Step 3: Cross multiply
    2,857.13x = 4,273.14 × 2,486.56
  4. Step 4: Simplify right side
    2,857.13x = 10,625,419.00
  5. Step 5: Solve for x
    x = 10,625,419.00/2,857.13
  6. Step 6: Final answer
    x = 3,718.91

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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.