Home / 3,379.52-5,069.40-1,530.56

Finding the Fourth Proportional to 3,379.52, 5,069.40 and 1,530.56

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Solution

The fourth proportional to 3,379.52, 5,069.40 and 1,530.56 is: 2,295.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,379.52 : 5,069.40 = 1,530.56 : x
  2. Step 2: Convert to fraction form
    3,379.52/5,069.40 = 1,530.56/x
  3. Step 3: Cross multiply
    3,379.52x = 5,069.40 × 1,530.56
  4. Step 4: Simplify right side
    3,379.52x = 7,759,020.86
  5. Step 5: Solve for x
    x = 7,759,020.86/3,379.52
  6. Step 6: Final answer
    x = 2,295.89

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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.