Home / 3,439.30-5,155.26-1,465.96

Finding the Fourth Proportional to 3,439.30, 5,155.26 and 1,465.96

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Solution

The fourth proportional to 3,439.30, 5,155.26 and 1,465.96 is: 2,197.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439.30 : 5,155.26 = 1,465.96 : x
  2. Step 2: Convert to fraction form
    3,439.30/5,155.26 = 1,465.96/x
  3. Step 3: Cross multiply
    3,439.30x = 5,155.26 × 1,465.96
  4. Step 4: Simplify right side
    3,439.30x = 7,557,404.95
  5. Step 5: Solve for x
    x = 7,557,404.95/3,439.30
  6. Step 6: Final answer
    x = 2,197.37

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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.