Home / 3,813.24-5,261.40-2,321.04

Finding the Fourth Proportional to 3,813.24, 5,261.40 and 2,321.04

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Solution

The fourth proportional to 3,813.24, 5,261.40 and 2,321.04 is: 3,202.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,813.24 : 5,261.40 = 2,321.04 : x
  2. Step 2: Convert to fraction form
    3,813.24/5,261.40 = 2,321.04/x
  3. Step 3: Cross multiply
    3,813.24x = 5,261.40 × 2,321.04
  4. Step 4: Simplify right side
    3,813.24x = 12,211,919.86
  5. Step 5: Solve for x
    x = 12,211,919.86/3,813.24
  6. Step 6: Final answer
    x = 3,202.50

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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.