Home / 3,421.52-5,132.36-1,369.52

Finding the Fourth Proportional to 3,421.52, 5,132.36 and 1,369.52

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Solution

The fourth proportional to 3,421.52, 5,132.36 and 1,369.52 is: 2,054.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,421.52 : 5,132.36 = 1,369.52 : x
  2. Step 2: Convert to fraction form
    3,421.52/5,132.36 = 1,369.52/x
  3. Step 3: Cross multiply
    3,421.52x = 5,132.36 × 1,369.52
  4. Step 4: Simplify right side
    3,421.52x = 7,028,869.67
  5. Step 5: Solve for x
    x = 7,028,869.67/3,421.52
  6. Step 6: Final answer
    x = 2,054.31

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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.