Home / 3,400.38-5,085.99-2,919.24

Finding the Fourth Proportional to 3,400.38, 5,085.99 and 2,919.24

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Solution

The fourth proportional to 3,400.38, 5,085.99 and 2,919.24 is: 4,366.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,400.38 : 5,085.99 = 2,919.24 : x
  2. Step 2: Convert to fraction form
    3,400.38/5,085.99 = 2,919.24/x
  3. Step 3: Cross multiply
    3,400.38x = 5,085.99 × 2,919.24
  4. Step 4: Simplify right side
    3,400.38x = 14,847,225.45
  5. Step 5: Solve for x
    x = 14,847,225.45/3,400.38
  6. Step 6: Final answer
    x = 4,366.34

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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.