Home / 3,855.24-5,321.04-2,438.02

Finding the Fourth Proportional to 3,855.24, 5,321.04 and 2,438.02

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Solution

The fourth proportional to 3,855.24, 5,321.04 and 2,438.02 is: 3,364.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,855.24 : 5,321.04 = 2,438.02 : x
  2. Step 2: Convert to fraction form
    3,855.24/5,321.04 = 2,438.02/x
  3. Step 3: Cross multiply
    3,855.24x = 5,321.04 × 2,438.02
  4. Step 4: Simplify right side
    3,855.24x = 12,972,801.94
  5. Step 5: Solve for x
    x = 12,972,801.94/3,855.24
  6. Step 6: Final answer
    x = 3,364.98

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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.