Home / 3,929.31-5,892.08-2,286.23

Finding the Fourth Proportional to 3,929.31, 5,892.08 and 2,286.23

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Solution

The fourth proportional to 3,929.31, 5,892.08 and 2,286.23 is: 3,428.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929.31 : 5,892.08 = 2,286.23 : x
  2. Step 2: Convert to fraction form
    3,929.31/5,892.08 = 2,286.23/x
  3. Step 3: Cross multiply
    3,929.31x = 5,892.08 × 2,286.23
  4. Step 4: Simplify right side
    3,929.31x = 13,470,609.17
  5. Step 5: Solve for x
    x = 13,470,609.17/3,929.31
  6. Step 6: Final answer
    x = 3,428.24

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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.