Home / 3,947.31-5,921.52-1,173.63

Finding the Fourth Proportional to 3,947.31, 5,921.52 and 1,173.63

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Solution

The fourth proportional to 3,947.31, 5,921.52 and 1,173.63 is: 1,760.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,947.31 : 5,921.52 = 1,173.63 : x
  2. Step 2: Convert to fraction form
    3,947.31/5,921.52 = 1,173.63/x
  3. Step 3: Cross multiply
    3,947.31x = 5,921.52 × 1,173.63
  4. Step 4: Simplify right side
    3,947.31x = 6,949,673.52
  5. Step 5: Solve for x
    x = 6,949,673.52/3,947.31
  6. Step 6: Final answer
    x = 1,760.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.