Home / 3,162.32-4,743.48-1,213.46

Finding the Fourth Proportional to 3,162.32, 4,743.48 and 1,213.46

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Solution

The fourth proportional to 3,162.32, 4,743.48 and 1,213.46 is: 1,820.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162.32 : 4,743.48 = 1,213.46 : x
  2. Step 2: Convert to fraction form
    3,162.32/4,743.48 = 1,213.46/x
  3. Step 3: Cross multiply
    3,162.32x = 4,743.48 × 1,213.46
  4. Step 4: Simplify right side
    3,162.32x = 5,756,023.24
  5. Step 5: Solve for x
    x = 5,756,023.24/3,162.32
  6. Step 6: Final answer
    x = 1,820.19

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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.