Home / 3,141.07-4,334.79-1,724.87

Finding the Fourth Proportional to 3,141.07, 4,334.79 and 1,724.87

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Solution

The fourth proportional to 3,141.07, 4,334.79 and 1,724.87 is: 2,380.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,141.07 : 4,334.79 = 1,724.87 : x
  2. Step 2: Convert to fraction form
    3,141.07/4,334.79 = 1,724.87/x
  3. Step 3: Cross multiply
    3,141.07x = 4,334.79 × 1,724.87
  4. Step 4: Simplify right side
    3,141.07x = 7,476,949.23
  5. Step 5: Solve for x
    x = 7,476,949.23/3,141.07
  6. Step 6: Final answer
    x = 2,380.39

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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.