Home / 3,826.06-5,279.93-2,147.46

Finding the Fourth Proportional to 3,826.06, 5,279.93 and 2,147.46

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Solution

The fourth proportional to 3,826.06, 5,279.93 and 2,147.46 is: 2,963.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,826.06 : 5,279.93 = 2,147.46 : x
  2. Step 2: Convert to fraction form
    3,826.06/5,279.93 = 2,147.46/x
  3. Step 3: Cross multiply
    3,826.06x = 5,279.93 × 2,147.46
  4. Step 4: Simplify right side
    3,826.06x = 11,338,438.48
  5. Step 5: Solve for x
    x = 11,338,438.48/3,826.06
  6. Step 6: Final answer
    x = 2,963.48

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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.