Home / 3,121.41-4,682.34-1,173.60

Finding the Fourth Proportional to 3,121.41, 4,682.34 and 1,173.60

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Solution

The fourth proportional to 3,121.41, 4,682.34 and 1,173.60 is: 1,760.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,121.41 : 4,682.34 = 1,173.60 : x
  2. Step 2: Convert to fraction form
    3,121.41/4,682.34 = 1,173.60/x
  3. Step 3: Cross multiply
    3,121.41x = 4,682.34 × 1,173.60
  4. Step 4: Simplify right side
    3,121.41x = 5,495,194.22
  5. Step 5: Solve for x
    x = 5,495,194.22/3,121.41
  6. Step 6: Final answer
    x = 1,760.48

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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.