Home / 3,421.44-4,723.92-2,302.43

Finding the Fourth Proportional to 3,421.44, 4,723.92 and 2,302.43

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Solution

The fourth proportional to 3,421.44, 4,723.92 and 2,302.43 is: 3,178.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,421.44 : 4,723.92 = 2,302.43 : x
  2. Step 2: Convert to fraction form
    3,421.44/4,723.92 = 2,302.43/x
  3. Step 3: Cross multiply
    3,421.44x = 4,723.92 × 2,302.43
  4. Step 4: Simplify right side
    3,421.44x = 10,876,471.51
  5. Step 5: Solve for x
    x = 10,876,471.51/3,421.44
  6. Step 6: Final answer
    x = 3,178.92

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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.