Home / 2,176.22-3,261.44-1,137.11

Finding the Fourth Proportional to 2,176.22, 3,261.44 and 1,137.11

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Solution

The fourth proportional to 2,176.22, 3,261.44 and 1,137.11 is: 1,704.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176.22 : 3,261.44 = 1,137.11 : x
  2. Step 2: Convert to fraction form
    2,176.22/3,261.44 = 1,137.11/x
  3. Step 3: Cross multiply
    2,176.22x = 3,261.44 × 1,137.11
  4. Step 4: Simplify right side
    2,176.22x = 3,708,602.57
  5. Step 5: Solve for x
    x = 3,708,602.57/2,176.22
  6. Step 6: Final answer
    x = 1,704.15

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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.