Home / 3,421.05-5,133.08-3,273.42

Finding the Fourth Proportional to 3,421.05, 5,133.08 and 3,273.42

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Solution

The fourth proportional to 3,421.05, 5,133.08 and 3,273.42 is: 4,911.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,421.05 : 5,133.08 = 3,273.42 : x
  2. Step 2: Convert to fraction form
    3,421.05/5,133.08 = 3,273.42/x
  3. Step 3: Cross multiply
    3,421.05x = 5,133.08 × 3,273.42
  4. Step 4: Simplify right side
    3,421.05x = 16,802,726.73
  5. Step 5: Solve for x
    x = 16,802,726.73/3,421.05
  6. Step 6: Final answer
    x = 4,911.57

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1.5x scale

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.