Home / 3,614.34-5,421.87-1,305.66

Finding the Fourth Proportional to 3,614.34, 5,421.87 and 1,305.66

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Solution

The fourth proportional to 3,614.34, 5,421.87 and 1,305.66 is: 1,958.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,614.34 : 5,421.87 = 1,305.66 : x
  2. Step 2: Convert to fraction form
    3,614.34/5,421.87 = 1,305.66/x
  3. Step 3: Cross multiply
    3,614.34x = 5,421.87 × 1,305.66
  4. Step 4: Simplify right side
    3,614.34x = 7,079,118.78
  5. Step 5: Solve for x
    x = 7,079,118.78/3,614.34
  6. Step 6: Final answer
    x = 1,958.62

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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.