Home / 3,951.32-5,924.99-1,317.92

Finding the Fourth Proportional to 3,951.32, 5,924.99 and 1,317.92

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Solution

The fourth proportional to 3,951.32, 5,924.99 and 1,317.92 is: 1,976.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,951.32 : 5,924.99 = 1,317.92 : x
  2. Step 2: Convert to fraction form
    3,951.32/5,924.99 = 1,317.92/x
  3. Step 3: Cross multiply
    3,951.32x = 5,924.99 × 1,317.92
  4. Step 4: Simplify right side
    3,951.32x = 7,808,636.49
  5. Step 5: Solve for x
    x = 7,808,636.49/3,951.32
  6. Step 6: Final answer
    x = 1,976.21

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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.