Home / 2,939.10-4,404.65-1,479.26

Finding the Fourth Proportional to 2,939.10, 4,404.65 and 1,479.26

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Solution

The fourth proportional to 2,939.10, 4,404.65 and 1,479.26 is: 2,216.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,939.10 : 4,404.65 = 1,479.26 : x
  2. Step 2: Convert to fraction form
    2,939.10/4,404.65 = 1,479.26/x
  3. Step 3: Cross multiply
    2,939.10x = 4,404.65 × 1,479.26
  4. Step 4: Simplify right side
    2,939.10x = 6,515,593.14
  5. Step 5: Solve for x
    x = 6,515,593.14/2,939.10
  6. Step 6: Final answer
    x = 2,216.87

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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.