Home / 2,910.24-4,365.36-961.92

Finding the Fourth Proportional to 2,910.24, 4,365.36 and 961.92

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Solution

The fourth proportional to 2,910.24, 4,365.36 and 961.92 is: 1,442.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910.24 : 4,365.36 = 961.92 : x
  2. Step 2: Convert to fraction form
    2,910.24/4,365.36 = 961.92/x
  3. Step 3: Cross multiply
    2,910.24x = 4,365.36 × 961.92
  4. Step 4: Simplify right side
    2,910.24x = 4,199,127.09
  5. Step 5: Solve for x
    x = 4,199,127.09/2,910.24
  6. Step 6: Final answer
    x = 1,442.88

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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.