Home / 3,926.80-5,415.96-2,353.24

Finding the Fourth Proportional to 3,926.80, 5,415.96 and 2,353.24

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Solution

The fourth proportional to 3,926.80, 5,415.96 and 2,353.24 is: 3,245.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,926.80 : 5,415.96 = 2,353.24 : x
  2. Step 2: Convert to fraction form
    3,926.80/5,415.96 = 2,353.24/x
  3. Step 3: Cross multiply
    3,926.80x = 5,415.96 × 2,353.24
  4. Step 4: Simplify right side
    3,926.80x = 12,745,053.71
  5. Step 5: Solve for x
    x = 12,745,053.71/3,926.80
  6. Step 6: Final answer
    x = 3,245.66

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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.