Home / 2,717.08-4,074.58-961.76

Finding the Fourth Proportional to 2,717.08, 4,074.58 and 961.76

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Solution

The fourth proportional to 2,717.08, 4,074.58 and 961.76 is: 1,442.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,717.08 : 4,074.58 = 961.76 : x
  2. Step 2: Convert to fraction form
    2,717.08/4,074.58 = 961.76/x
  3. Step 3: Cross multiply
    2,717.08x = 4,074.58 × 961.76
  4. Step 4: Simplify right side
    2,717.08x = 3,918,771.01
  5. Step 5: Solve for x
    x = 3,918,771.01/2,717.08
  6. Step 6: Final answer
    x = 1,442.27

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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.