Home / 3,926.92-5,416.89-2,354.10

Finding the Fourth Proportional to 3,926.92, 5,416.89 and 2,354.10

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Solution

The fourth proportional to 3,926.92, 5,416.89 and 2,354.10 is: 3,247.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,926.92 : 5,416.89 = 2,354.10 : x
  2. Step 2: Convert to fraction form
    3,926.92/5,416.89 = 2,354.10/x
  3. Step 3: Cross multiply
    3,926.92x = 5,416.89 × 2,354.10
  4. Step 4: Simplify right side
    3,926.92x = 12,751,900.75
  5. Step 5: Solve for x
    x = 12,751,900.75/3,926.92
  6. Step 6: Final answer
    x = 3,247.30

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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.