Home / 3,926.48-5,416.17-3,085.85

Finding the Fourth Proportional to 3,926.48, 5,416.17 and 3,085.85

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Solution

The fourth proportional to 3,926.48, 5,416.17 and 3,085.85 is: 4,256.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,926.48 : 5,416.17 = 3,085.85 : x
  2. Step 2: Convert to fraction form
    3,926.48/5,416.17 = 3,085.85/x
  3. Step 3: Cross multiply
    3,926.48x = 5,416.17 × 3,085.85
  4. Step 4: Simplify right side
    3,926.48x = 16,713,459.70
  5. Step 5: Solve for x
    x = 16,713,459.70/3,926.48
  6. Step 6: Final answer
    x = 4,256.61

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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.