Home / 3,926.13-5,889.87-1,328.46

Finding the Fourth Proportional to 3,926.13, 5,889.87 and 1,328.46

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Solution

The fourth proportional to 3,926.13, 5,889.87 and 1,328.46 is: 1,992.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,926.13 : 5,889.87 = 1,328.46 : x
  2. Step 2: Convert to fraction form
    3,926.13/5,889.87 = 1,328.46/x
  3. Step 3: Cross multiply
    3,926.13x = 5,889.87 × 1,328.46
  4. Step 4: Simplify right side
    3,926.13x = 7,824,456.70
  5. Step 5: Solve for x
    x = 7,824,456.70/3,926.13
  6. Step 6: Final answer
    x = 1,992.92

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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.