Home / 2,829.43-3,896.54-2,042.23

Finding the Fourth Proportional to 2,829.43, 3,896.54 and 2,042.23

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Solution

The fourth proportional to 2,829.43, 3,896.54 and 2,042.23 is: 2,812.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,829.43 : 3,896.54 = 2,042.23 : x
  2. Step 2: Convert to fraction form
    2,829.43/3,896.54 = 2,042.23/x
  3. Step 3: Cross multiply
    2,829.43x = 3,896.54 × 2,042.23
  4. Step 4: Simplify right side
    2,829.43x = 7,957,630.88
  5. Step 5: Solve for x
    x = 7,957,630.88/2,829.43
  6. Step 6: Final answer
    x = 2,812.45

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1.5x scale

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.