Home / 3,829.15-5,732.91-3,122.17

Finding the Fourth Proportional to 3,829.15, 5,732.91 and 3,122.17

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Solution

The fourth proportional to 3,829.15, 5,732.91 and 3,122.17 is: 4,674.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,829.15 : 5,732.91 = 3,122.17 : x
  2. Step 2: Convert to fraction form
    3,829.15/5,732.91 = 3,122.17/x
  3. Step 3: Cross multiply
    3,829.15x = 5,732.91 × 3,122.17
  4. Step 4: Simplify right side
    3,829.15x = 17,899,119.61
  5. Step 5: Solve for x
    x = 17,899,119.61/3,829.15
  6. Step 6: Final answer
    x = 4,674.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.