Home / 2,879.03-4,317.90-1,124.08

Finding the Fourth Proportional to 2,879.03, 4,317.90 and 1,124.08

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Solution

The fourth proportional to 2,879.03, 4,317.90 and 1,124.08 is: 1,685.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,879.03 : 4,317.90 = 1,124.08 : x
  2. Step 2: Convert to fraction form
    2,879.03/4,317.90 = 1,124.08/x
  3. Step 3: Cross multiply
    2,879.03x = 4,317.90 × 1,124.08
  4. Step 4: Simplify right side
    2,879.03x = 4,853,665.03
  5. Step 5: Solve for x
    x = 4,853,665.03/2,879.03
  6. Step 6: Final answer
    x = 1,685.87

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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.