Home / 2,939.83-4,410.10-1,296.79

Finding the Fourth Proportional to 2,939.83, 4,410.10 and 1,296.79

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Solution

The fourth proportional to 2,939.83, 4,410.10 and 1,296.79 is: 1,945.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,939.83 : 4,410.10 = 1,296.79 : x
  2. Step 2: Convert to fraction form
    2,939.83/4,410.10 = 1,296.79/x
  3. Step 3: Cross multiply
    2,939.83x = 4,410.10 × 1,296.79
  4. Step 4: Simplify right side
    2,939.83x = 5,718,948.29
  5. Step 5: Solve for x
    x = 5,718,948.29/2,939.83
  6. Step 6: Final answer
    x = 1,945.34

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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.