Home / 3,399.76-4,694.96-2,929.60

Finding the Fourth Proportional to 3,399.76, 4,694.96 and 2,929.60

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Solution

The fourth proportional to 3,399.76, 4,694.96 and 2,929.60 is: 4,045.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,399.76 : 4,694.96 = 2,929.60 : x
  2. Step 2: Convert to fraction form
    3,399.76/4,694.96 = 2,929.60/x
  3. Step 3: Cross multiply
    3,399.76x = 4,694.96 × 2,929.60
  4. Step 4: Simplify right side
    3,399.76x = 13,754,354.82
  5. Step 5: Solve for x
    x = 13,754,354.82/3,399.76
  6. Step 6: Final answer
    x = 4,045.68

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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.