Home / 3,813.34-5,261.60-2,240.86

Finding the Fourth Proportional to 3,813.34, 5,261.60 and 2,240.86

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Solution

The fourth proportional to 3,813.34, 5,261.60 and 2,240.86 is: 3,091.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,813.34 : 5,261.60 = 2,240.86 : x
  2. Step 2: Convert to fraction form
    3,813.34/5,261.60 = 2,240.86/x
  3. Step 3: Cross multiply
    3,813.34x = 5,261.60 × 2,240.86
  4. Step 4: Simplify right side
    3,813.34x = 11,790,508.98
  5. Step 5: Solve for x
    x = 11,790,508.98/3,813.34
  6. Step 6: Final answer
    x = 3,091.91

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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.