Home / 3,821.93-5,277.48-2,876.09

Finding the Fourth Proportional to 3,821.93, 5,277.48 and 2,876.09

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Solution

The fourth proportional to 3,821.93, 5,277.48 and 2,876.09 is: 3,971.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821.93 : 5,277.48 = 2,876.09 : x
  2. Step 2: Convert to fraction form
    3,821.93/5,277.48 = 2,876.09/x
  3. Step 3: Cross multiply
    3,821.93x = 5,277.48 × 2,876.09
  4. Step 4: Simplify right side
    3,821.93x = 15,178,507.45
  5. Step 5: Solve for x
    x = 15,178,507.45/3,821.93
  6. Step 6: Final answer
    x = 3,971.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.