Home / 3,173.96-4,380.01-1,897.98

Finding the Fourth Proportional to 3,173.96, 4,380.01 and 1,897.98

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Solution

The fourth proportional to 3,173.96, 4,380.01 and 1,897.98 is: 2,619.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,173.96 : 4,380.01 = 1,897.98 : x
  2. Step 2: Convert to fraction form
    3,173.96/4,380.01 = 1,897.98/x
  3. Step 3: Cross multiply
    3,173.96x = 4,380.01 × 1,897.98
  4. Step 4: Simplify right side
    3,173.96x = 8,313,182.85
  5. Step 5: Solve for x
    x = 8,313,182.85/3,173.96
  6. Step 6: Final answer
    x = 2,619.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.