Home / 3,379.31-5,070.68-1,897.62

Finding the Fourth Proportional to 3,379.31, 5,070.68 and 1,897.62

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Solution

The fourth proportional to 3,379.31, 5,070.68 and 1,897.62 is: 2,847.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,379.31 : 5,070.68 = 1,897.62 : x
  2. Step 2: Convert to fraction form
    3,379.31/5,070.68 = 1,897.62/x
  3. Step 3: Cross multiply
    3,379.31x = 5,070.68 × 1,897.62
  4. Step 4: Simplify right side
    3,379.31x = 9,622,223.78
  5. Step 5: Solve for x
    x = 9,622,223.78/3,379.31
  6. Step 6: Final answer
    x = 2,847.39

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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.