Home / 3,820.64-5,272.72-2,248.86

Finding the Fourth Proportional to 3,820.64, 5,272.72 and 2,248.86

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Solution

The fourth proportional to 3,820.64, 5,272.72 and 2,248.86 is: 3,103.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,820.64 : 5,272.72 = 2,248.86 : x
  2. Step 2: Convert to fraction form
    3,820.64/5,272.72 = 2,248.86/x
  3. Step 3: Cross multiply
    3,820.64x = 5,272.72 × 2,248.86
  4. Step 4: Simplify right side
    3,820.64x = 11,857,609.10
  5. Step 5: Solve for x
    x = 11,857,609.10/3,820.64
  6. Step 6: Final answer
    x = 3,103.57

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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.