Home / 3,146.96-4,340.44-3,007.38

Finding the Fourth Proportional to 3,146.96, 4,340.44 and 3,007.38

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Solution

The fourth proportional to 3,146.96, 4,340.44 and 3,007.38 is: 4,147.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,146.96 : 4,340.44 = 3,007.38 : x
  2. Step 2: Convert to fraction form
    3,146.96/4,340.44 = 3,007.38/x
  3. Step 3: Cross multiply
    3,146.96x = 4,340.44 × 3,007.38
  4. Step 4: Simplify right side
    3,146.96x = 13,053,352.45
  5. Step 5: Solve for x
    x = 13,053,352.45/3,146.96
  6. Step 6: Final answer
    x = 4,147.92

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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.