Home / 3,171.74-4,758.40-1,197.36

Finding the Fourth Proportional to 3,171.74, 4,758.40 and 1,197.36

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Solution

The fourth proportional to 3,171.74, 4,758.40 and 1,197.36 is: 1,796.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171.74 : 4,758.40 = 1,197.36 : x
  2. Step 2: Convert to fraction form
    3,171.74/4,758.40 = 1,197.36/x
  3. Step 3: Cross multiply
    3,171.74x = 4,758.40 × 1,197.36
  4. Step 4: Simplify right side
    3,171.74x = 5,697,517.82
  5. Step 5: Solve for x
    x = 5,697,517.82/3,171.74
  6. Step 6: Final answer
    x = 1,796.34

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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.