Home / 2,129.73-3,173.18-2,010.36

Finding the Fourth Proportional to 2,129.73, 3,173.18 and 2,010.36

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Solution

The fourth proportional to 2,129.73, 3,173.18 and 2,010.36 is: 2,995.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,129.73 : 3,173.18 = 2,010.36 : x
  2. Step 2: Convert to fraction form
    2,129.73/3,173.18 = 2,010.36/x
  3. Step 3: Cross multiply
    2,129.73x = 3,173.18 × 2,010.36
  4. Step 4: Simplify right side
    2,129.73x = 6,379,234.14
  5. Step 5: Solve for x
    x = 6,379,234.14/2,129.73
  6. Step 6: Final answer
    x = 2,995.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.