Home / 3,212.16-4,818.56-1,131.92

Finding the Fourth Proportional to 3,212.16, 4,818.56 and 1,131.92

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Solution

The fourth proportional to 3,212.16, 4,818.56 and 1,131.92 is: 1,697.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.16 : 4,818.56 = 1,131.92 : x
  2. Step 2: Convert to fraction form
    3,212.16/4,818.56 = 1,131.92/x
  3. Step 3: Cross multiply
    3,212.16x = 4,818.56 × 1,131.92
  4. Step 4: Simplify right side
    3,212.16x = 5,454,224.44
  5. Step 5: Solve for x
    x = 5,454,224.44/3,212.16
  6. Step 6: Final answer
    x = 1,697.99

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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.