Home / 3,949.32-5,451.60-2,623.77

Finding the Fourth Proportional to 3,949.32, 5,451.60 and 2,623.77

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Solution

The fourth proportional to 3,949.32, 5,451.60 and 2,623.77 is: 3,621.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,949.32 : 5,451.60 = 2,623.77 : x
  2. Step 2: Convert to fraction form
    3,949.32/5,451.60 = 2,623.77/x
  3. Step 3: Cross multiply
    3,949.32x = 5,451.60 × 2,623.77
  4. Step 4: Simplify right side
    3,949.32x = 14,303,744.53
  5. Step 5: Solve for x
    x = 14,303,744.53/3,949.32
  6. Step 6: Final answer
    x = 3,621.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.