Home / 3,805.91-5,252.14-2,127.32

Finding the Fourth Proportional to 3,805.91, 5,252.14 and 2,127.32

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Solution

The fourth proportional to 3,805.91, 5,252.14 and 2,127.32 is: 2,935.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,805.91 : 5,252.14 = 2,127.32 : x
  2. Step 2: Convert to fraction form
    3,805.91/5,252.14 = 2,127.32/x
  3. Step 3: Cross multiply
    3,805.91x = 5,252.14 × 2,127.32
  4. Step 4: Simplify right side
    3,805.91x = 11,172,956.20
  5. Step 5: Solve for x
    x = 11,172,956.20/3,805.91
  6. Step 6: Final answer
    x = 2,935.69

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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.