Home / 3,923.24-5,409.96-2,926.92

Finding the Fourth Proportional to 3,923.24, 5,409.96 and 2,926.92

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Solution

The fourth proportional to 3,923.24, 5,409.96 and 2,926.92 is: 4,036.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,923.24 : 5,409.96 = 2,926.92 : x
  2. Step 2: Convert to fraction form
    3,923.24/5,409.96 = 2,926.92/x
  3. Step 3: Cross multiply
    3,923.24x = 5,409.96 × 2,926.92
  4. Step 4: Simplify right side
    3,923.24x = 15,834,520.12
  5. Step 5: Solve for x
    x = 15,834,520.12/3,923.24
  6. Step 6: Final answer
    x = 4,036.08

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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.