Home / 2,142.99-3,212.66-2,040.93

Finding the Fourth Proportional to 2,142.99, 3,212.66 and 2,040.93

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Solution

The fourth proportional to 2,142.99, 3,212.66 and 2,040.93 is: 3,059.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,142.99 : 3,212.66 = 2,040.93 : x
  2. Step 2: Convert to fraction form
    2,142.99/3,212.66 = 2,040.93/x
  3. Step 3: Cross multiply
    2,142.99x = 3,212.66 × 2,040.93
  4. Step 4: Simplify right side
    2,142.99x = 6,556,819.28
  5. Step 5: Solve for x
    x = 6,556,819.28/2,142.99
  6. Step 6: Final answer
    x = 3,059.66

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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.