Home / 3,162.75-4,365.60-1,836.20

Finding the Fourth Proportional to 3,162.75, 4,365.60 and 1,836.20

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Solution

The fourth proportional to 3,162.75, 4,365.60 and 1,836.20 is: 2,534.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162.75 : 4,365.60 = 1,836.20 : x
  2. Step 2: Convert to fraction form
    3,162.75/4,365.60 = 1,836.20/x
  3. Step 3: Cross multiply
    3,162.75x = 4,365.60 × 1,836.20
  4. Step 4: Simplify right side
    3,162.75x = 8,016,092.89
  5. Step 5: Solve for x
    x = 8,016,092.89/3,162.75
  6. Step 6: Final answer
    x = 2,534.53

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1.5x scale

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.