Home / 3,171.19-4,754.22-1,323.70

Finding the Fourth Proportional to 3,171.19, 4,754.22 and 1,323.70

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Solution

The fourth proportional to 3,171.19, 4,754.22 and 1,323.70 is: 1,984.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171.19 : 4,754.22 = 1,323.70 : x
  2. Step 2: Convert to fraction form
    3,171.19/4,754.22 = 1,323.70/x
  3. Step 3: Cross multiply
    3,171.19x = 4,754.22 × 1,323.70
  4. Step 4: Simplify right side
    3,171.19x = 6,293,161.01
  5. Step 5: Solve for x
    x = 6,293,161.01/3,171.19
  6. Step 6: Final answer
    x = 1,984.48

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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.