Home / 3,875.75-5,816.98-2,028.16

Finding the Fourth Proportional to 3,875.75, 5,816.98 and 2,028.16

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Solution

The fourth proportional to 3,875.75, 5,816.98 and 2,028.16 is: 3,043.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,875.75 : 5,816.98 = 2,028.16 : x
  2. Step 2: Convert to fraction form
    3,875.75/5,816.98 = 2,028.16/x
  3. Step 3: Cross multiply
    3,875.75x = 5,816.98 × 2,028.16
  4. Step 4: Simplify right side
    3,875.75x = 11,797,743.24
  5. Step 5: Solve for x
    x = 11,797,743.24/3,875.75
  6. Step 6: Final answer
    x = 3,043.99

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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.