Home / 3,270.75-4,885.28-2,833.35

Finding the Fourth Proportional to 3,270.75, 4,885.28 and 2,833.35

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Solution

The fourth proportional to 3,270.75, 4,885.28 and 2,833.35 is: 4,231.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270.75 : 4,885.28 = 2,833.35 : x
  2. Step 2: Convert to fraction form
    3,270.75/4,885.28 = 2,833.35/x
  3. Step 3: Cross multiply
    3,270.75x = 4,885.28 × 2,833.35
  4. Step 4: Simplify right side
    3,270.75x = 13,841,693.92
  5. Step 5: Solve for x
    x = 13,841,693.92/3,270.75
  6. Step 6: Final answer
    x = 4,231.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.