Home / 3,379.52-5,070.75-1,817.70

Finding the Fourth Proportional to 3,379.52, 5,070.75 and 1,817.70

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Solution

The fourth proportional to 3,379.52, 5,070.75 and 1,817.70 is: 2,727.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,379.52 : 5,070.75 = 1,817.70 : x
  2. Step 2: Convert to fraction form
    3,379.52/5,070.75 = 1,817.70/x
  3. Step 3: Cross multiply
    3,379.52x = 5,070.75 × 1,817.70
  4. Step 4: Simplify right side
    3,379.52x = 9,217,093.19
  5. Step 5: Solve for x
    x = 9,217,093.19/3,379.52
  6. Step 6: Final answer
    x = 2,727.34

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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.