Home / 3,947.55-5,922.26-1,174.25

Finding the Fourth Proportional to 3,947.55, 5,922.26 and 1,174.25

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Solution

The fourth proportional to 3,947.55, 5,922.26 and 1,174.25 is: 1,761.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,947.55 : 5,922.26 = 1,174.25 : x
  2. Step 2: Convert to fraction form
    3,947.55/5,922.26 = 1,174.25/x
  3. Step 3: Cross multiply
    3,947.55x = 5,922.26 × 1,174.25
  4. Step 4: Simplify right side
    3,947.55x = 6,954,178.32
  5. Step 5: Solve for x
    x = 6,954,178.32/3,947.55
  6. Step 6: Final answer
    x = 1,761.64

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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.