Home / 3,725.47-5,141.73-2,309.41

Finding the Fourth Proportional to 3,725.47, 5,141.73 and 2,309.41

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Solution

The fourth proportional to 3,725.47, 5,141.73 and 2,309.41 is: 3,187.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,725.47 : 5,141.73 = 2,309.41 : x
  2. Step 2: Convert to fraction form
    3,725.47/5,141.73 = 2,309.41/x
  3. Step 3: Cross multiply
    3,725.47x = 5,141.73 × 2,309.41
  4. Step 4: Simplify right side
    3,725.47x = 11,874,362.68
  5. Step 5: Solve for x
    x = 11,874,362.68/3,725.47
  6. Step 6: Final answer
    x = 3,187.35

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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.