Home / 3,794.88-5,239.52-2,909.12

Finding the Fourth Proportional to 3,794.88, 5,239.52 and 2,909.12

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Solution

The fourth proportional to 3,794.88, 5,239.52 and 2,909.12 is: 4,016.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,794.88 : 5,239.52 = 2,909.12 : x
  2. Step 2: Convert to fraction form
    3,794.88/5,239.52 = 2,909.12/x
  3. Step 3: Cross multiply
    3,794.88x = 5,239.52 × 2,909.12
  4. Step 4: Simplify right side
    3,794.88x = 15,242,392.42
  5. Step 5: Solve for x
    x = 15,242,392.42/3,794.88
  6. Step 6: Final answer
    x = 4,016.57

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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.