Home / 3,141.19-4,335.05-1,743.94

Finding the Fourth Proportional to 3,141.19, 4,335.05 and 1,743.94

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Solution

The fourth proportional to 3,141.19, 4,335.05 and 1,743.94 is: 2,406.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,141.19 : 4,335.05 = 1,743.94 : x
  2. Step 2: Convert to fraction form
    3,141.19/4,335.05 = 1,743.94/x
  3. Step 3: Cross multiply
    3,141.19x = 4,335.05 × 1,743.94
  4. Step 4: Simplify right side
    3,141.19x = 7,560,067.10
  5. Step 5: Solve for x
    x = 7,560,067.10/3,141.19
  6. Step 6: Final answer
    x = 2,406.75

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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.