Home / 3,132.86-4,323.30-1,806.68

Finding the Fourth Proportional to 3,132.86, 4,323.30 and 1,806.68

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Solution

The fourth proportional to 3,132.86, 4,323.30 and 1,806.68 is: 2,493.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132.86 : 4,323.30 = 1,806.68 : x
  2. Step 2: Convert to fraction form
    3,132.86/4,323.30 = 1,806.68/x
  3. Step 3: Cross multiply
    3,132.86x = 4,323.30 × 1,806.68
  4. Step 4: Simplify right side
    3,132.86x = 7,810,819.64
  5. Step 5: Solve for x
    x = 7,810,819.64/3,132.86
  6. Step 6: Final answer
    x = 2,493.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.