Home / 3,171.97-4,752.71-1,090.85

Finding the Fourth Proportional to 3,171.97, 4,752.71 and 1,090.85

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Solution

The fourth proportional to 3,171.97, 4,752.71 and 1,090.85 is: 1,634.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171.97 : 4,752.71 = 1,090.85 : x
  2. Step 2: Convert to fraction form
    3,171.97/4,752.71 = 1,090.85/x
  3. Step 3: Cross multiply
    3,171.97x = 4,752.71 × 1,090.85
  4. Step 4: Simplify right side
    3,171.97x = 5,184,488.25
  5. Step 5: Solve for x
    x = 5,184,488.25/3,171.97
  6. Step 6: Final answer
    x = 1,634.47

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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.