Home / 3,929.60-5,895.26-1,296.99

Finding the Fourth Proportional to 3,929.60, 5,895.26 and 1,296.99

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Solution

The fourth proportional to 3,929.60, 5,895.26 and 1,296.99 is: 1,945.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929.60 : 5,895.26 = 1,296.99 : x
  2. Step 2: Convert to fraction form
    3,929.60/5,895.26 = 1,296.99/x
  3. Step 3: Cross multiply
    3,929.60x = 5,895.26 × 1,296.99
  4. Step 4: Simplify right side
    3,929.60x = 7,646,086.78
  5. Step 5: Solve for x
    x = 7,646,086.78/3,929.60
  6. Step 6: Final answer
    x = 1,945.77

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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.