Home / 3,826.10-5,279.78-2,253.90

Finding the Fourth Proportional to 3,826.10, 5,279.78 and 2,253.90

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Solution

The fourth proportional to 3,826.10, 5,279.78 and 2,253.90 is: 3,110.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,826.10 : 5,279.78 = 2,253.90 : x
  2. Step 2: Convert to fraction form
    3,826.10/5,279.78 = 2,253.90/x
  3. Step 3: Cross multiply
    3,826.10x = 5,279.78 × 2,253.90
  4. Step 4: Simplify right side
    3,826.10x = 11,900,096.14
  5. Step 5: Solve for x
    x = 11,900,096.14/3,826.10
  6. Step 6: Final answer
    x = 3,110.24

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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.