Home / 3,436.29-5,145.71-2,879.53

Finding the Fourth Proportional to 3,436.29, 5,145.71 and 2,879.53

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Solution

The fourth proportional to 3,436.29, 5,145.71 and 2,879.53 is: 4,311.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,436.29 : 5,145.71 = 2,879.53 : x
  2. Step 2: Convert to fraction form
    3,436.29/5,145.71 = 2,879.53/x
  3. Step 3: Cross multiply
    3,436.29x = 5,145.71 × 2,879.53
  4. Step 4: Simplify right side
    3,436.29x = 14,817,218.35
  5. Step 5: Solve for x
    x = 14,817,218.35/3,436.29
  6. Step 6: Final answer
    x = 4,311.99

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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.