Home / 2,127.32-3,190.56-2,021.83

Finding the Fourth Proportional to 2,127.32, 3,190.56 and 2,021.83

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Solution

The fourth proportional to 2,127.32, 3,190.56 and 2,021.83 is: 3,032.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127.32 : 3,190.56 = 2,021.83 : x
  2. Step 2: Convert to fraction form
    2,127.32/3,190.56 = 2,021.83/x
  3. Step 3: Cross multiply
    2,127.32x = 3,190.56 × 2,021.83
  4. Step 4: Simplify right side
    2,127.32x = 6,450,766.33
  5. Step 5: Solve for x
    x = 6,450,766.33/2,127.32
  6. Step 6: Final answer
    x = 3,032.35

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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.