Home / 3,822.09-5,274.70-2,876.18

Finding the Fourth Proportional to 3,822.09, 5,274.70 and 2,876.18

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Solution

The fourth proportional to 3,822.09, 5,274.70 and 2,876.18 is: 3,969.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,822.09 : 5,274.70 = 2,876.18 : x
  2. Step 2: Convert to fraction form
    3,822.09/5,274.70 = 2,876.18/x
  3. Step 3: Cross multiply
    3,822.09x = 5,274.70 × 2,876.18
  4. Step 4: Simplify right side
    3,822.09x = 15,170,972.86
  5. Step 5: Solve for x
    x = 15,170,972.86/3,822.09
  6. Step 6: Final answer
    x = 3,969.29

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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.