Home / 3,614.29-5,421.36-1,149.28

Finding the Fourth Proportional to 3,614.29, 5,421.36 and 1,149.28

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Solution

The fourth proportional to 3,614.29, 5,421.36 and 1,149.28 is: 1,723.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,614.29 : 5,421.36 = 1,149.28 : x
  2. Step 2: Convert to fraction form
    3,614.29/5,421.36 = 1,149.28/x
  3. Step 3: Cross multiply
    3,614.29x = 5,421.36 × 1,149.28
  4. Step 4: Simplify right side
    3,614.29x = 6,230,633.51
  5. Step 5: Solve for x
    x = 6,230,633.51/3,614.29
  6. Step 6: Final answer
    x = 1,723.89

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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.