Home / 3,147.43-4,343.69-2,083.36

Finding the Fourth Proportional to 3,147.43, 4,343.69 and 2,083.36

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Solution

The fourth proportional to 3,147.43, 4,343.69 and 2,083.36 is: 2,875.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,147.43 : 4,343.69 = 2,083.36 : x
  2. Step 2: Convert to fraction form
    3,147.43/4,343.69 = 2,083.36/x
  3. Step 3: Cross multiply
    3,147.43x = 4,343.69 × 2,083.36
  4. Step 4: Simplify right side
    3,147.43x = 9,049,470.00
  5. Step 5: Solve for x
    x = 9,049,470.00/3,147.43
  6. Step 6: Final answer
    x = 2,875.19

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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.