Home / 3,354.08-5,028.26-1,478.56

Finding the Fourth Proportional to 3,354.08, 5,028.26 and 1,478.56

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Solution

The fourth proportional to 3,354.08, 5,028.26 and 1,478.56 is: 2,216.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,354.08 : 5,028.26 = 1,478.56 : x
  2. Step 2: Convert to fraction form
    3,354.08/5,028.26 = 1,478.56/x
  3. Step 3: Cross multiply
    3,354.08x = 5,028.26 × 1,478.56
  4. Step 4: Simplify right side
    3,354.08x = 7,434,584.11
  5. Step 5: Solve for x
    x = 7,434,584.11/3,354.08
  6. Step 6: Final answer
    x = 2,216.58

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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.