Home / 3,908.64-5,863.68-2,521.32

Finding the Fourth Proportional to 3,908.64, 5,863.68 and 2,521.32

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Solution

The fourth proportional to 3,908.64, 5,863.68 and 2,521.32 is: 3,782.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,908.64 : 5,863.68 = 2,521.32 : x
  2. Step 2: Convert to fraction form
    3,908.64/5,863.68 = 2,521.32/x
  3. Step 3: Cross multiply
    3,908.64x = 5,863.68 × 2,521.32
  4. Step 4: Simplify right side
    3,908.64x = 14,784,213.66
  5. Step 5: Solve for x
    x = 14,784,213.66/3,908.64
  6. Step 6: Final answer
    x = 3,782.44

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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.