Home / 3,122.21-4,682.41-1,173.96

Finding the Fourth Proportional to 3,122.21, 4,682.41 and 1,173.96

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Solution

The fourth proportional to 3,122.21, 4,682.41 and 1,173.96 is: 1,760.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,122.21 : 4,682.41 = 1,173.96 : x
  2. Step 2: Convert to fraction form
    3,122.21/4,682.41 = 1,173.96/x
  3. Step 3: Cross multiply
    3,122.21x = 4,682.41 × 1,173.96
  4. Step 4: Simplify right side
    3,122.21x = 5,496,959.11
  5. Step 5: Solve for x
    x = 5,496,959.11/3,122.21
  6. Step 6: Final answer
    x = 1,760.60

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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.