Home / 3,141.31-4,335.06-1,725.13

Finding the Fourth Proportional to 3,141.31, 4,335.06 and 1,725.13

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Solution

The fourth proportional to 3,141.31, 4,335.06 and 1,725.13 is: 2,380.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,141.31 : 4,335.06 = 1,725.13 : x
  2. Step 2: Convert to fraction form
    3,141.31/4,335.06 = 1,725.13/x
  3. Step 3: Cross multiply
    3,141.31x = 4,335.06 × 1,725.13
  4. Step 4: Simplify right side
    3,141.31x = 7,478,542.06
  5. Step 5: Solve for x
    x = 7,478,542.06/3,141.31
  6. Step 6: Final answer
    x = 2,380.71

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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.