Home / 3,171.22-4,758.56-1,323.62

Finding the Fourth Proportional to 3,171.22, 4,758.56 and 1,323.62

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Solution

The fourth proportional to 3,171.22, 4,758.56 and 1,323.62 is: 1,986.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171.22 : 4,758.56 = 1,323.62 : x
  2. Step 2: Convert to fraction form
    3,171.22/4,758.56 = 1,323.62/x
  3. Step 3: Cross multiply
    3,171.22x = 4,758.56 × 1,323.62
  4. Step 4: Simplify right side
    3,171.22x = 6,298,525.19
  5. Step 5: Solve for x
    x = 6,298,525.19/3,171.22
  6. Step 6: Final answer
    x = 1,986.15

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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.