Home / 2,939.19-4,403.33-1,479.36

Finding the Fourth Proportional to 2,939.19, 4,403.33 and 1,479.36

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Solution

The fourth proportional to 2,939.19, 4,403.33 and 1,479.36 is: 2,216.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,939.19 : 4,403.33 = 1,479.36 : x
  2. Step 2: Convert to fraction form
    2,939.19/4,403.33 = 1,479.36/x
  3. Step 3: Cross multiply
    2,939.19x = 4,403.33 × 1,479.36
  4. Step 4: Simplify right side
    2,939.19x = 6,514,102.87
  5. Step 5: Solve for x
    x = 6,514,102.87/2,939.19
  6. Step 6: Final answer
    x = 2,216.29

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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.