Home / 3,805.34-5,251.64-2,312.97

Finding the Fourth Proportional to 3,805.34, 5,251.64 and 2,312.97

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Solution

The fourth proportional to 3,805.34, 5,251.64 and 2,312.97 is: 3,192.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,805.34 : 5,251.64 = 2,312.97 : x
  2. Step 2: Convert to fraction form
    3,805.34/5,251.64 = 2,312.97/x
  3. Step 3: Cross multiply
    3,805.34x = 5,251.64 × 2,312.97
  4. Step 4: Simplify right side
    3,805.34x = 12,146,874.21
  5. Step 5: Solve for x
    x = 12,146,874.21/3,805.34
  6. Step 6: Final answer
    x = 3,192.06

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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.