Home / 3,212.22-4,818.34-1,131.74

Finding the Fourth Proportional to 3,212.22, 4,818.34 and 1,131.74

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Solution

The fourth proportional to 3,212.22, 4,818.34 and 1,131.74 is: 1,697.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.22 : 4,818.34 = 1,131.74 : x
  2. Step 2: Convert to fraction form
    3,212.22/4,818.34 = 1,131.74/x
  3. Step 3: Cross multiply
    3,212.22x = 4,818.34 × 1,131.74
  4. Step 4: Simplify right side
    3,212.22x = 5,453,108.11
  5. Step 5: Solve for x
    x = 5,453,108.11/3,212.22
  6. Step 6: Final answer
    x = 1,697.61

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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.