Home / 2,305.92-3,451.32-1,981.44

Finding the Fourth Proportional to 2,305.92, 3,451.32 and 1,981.44

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Solution

The fourth proportional to 2,305.92, 3,451.32 and 1,981.44 is: 2,965.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,305.92 : 3,451.32 = 1,981.44 : x
  2. Step 2: Convert to fraction form
    2,305.92/3,451.32 = 1,981.44/x
  3. Step 3: Cross multiply
    2,305.92x = 3,451.32 × 1,981.44
  4. Step 4: Simplify right side
    2,305.92x = 6,838,583.50
  5. Step 5: Solve for x
    x = 6,838,583.50/2,305.92
  6. Step 6: Final answer
    x = 2,965.66

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1.5x scale

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.