Home / 3,799.78-5,246.06-2,913.88

Finding the Fourth Proportional to 3,799.78, 5,246.06 and 2,913.88

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Solution

The fourth proportional to 3,799.78, 5,246.06 and 2,913.88 is: 4,022.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,799.78 : 5,246.06 = 2,913.88 : x
  2. Step 2: Convert to fraction form
    3,799.78/5,246.06 = 2,913.88/x
  3. Step 3: Cross multiply
    3,799.78x = 5,246.06 × 2,913.88
  4. Step 4: Simplify right side
    3,799.78x = 15,286,389.31
  5. Step 5: Solve for x
    x = 15,286,389.31/3,799.78
  6. Step 6: Final answer
    x = 4,022.97

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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.