Home / 3,934.29-5,427.59-2,439.21

Finding the Fourth Proportional to 3,934.29, 5,427.59 and 2,439.21

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Solution

The fourth proportional to 3,934.29, 5,427.59 and 2,439.21 is: 3,365.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,934.29 : 5,427.59 = 2,439.21 : x
  2. Step 2: Convert to fraction form
    3,934.29/5,427.59 = 2,439.21/x
  3. Step 3: Cross multiply
    3,934.29x = 5,427.59 × 2,439.21
  4. Step 4: Simplify right side
    3,934.29x = 13,239,019.61
  5. Step 5: Solve for x
    x = 13,239,019.61/3,934.29
  6. Step 6: Final answer
    x = 3,365.03

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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.