Home / 3,135.28-4,700.76-2,095.60

Finding the Fourth Proportional to 3,135.28, 4,700.76 and 2,095.60

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Solution

The fourth proportional to 3,135.28, 4,700.76 and 2,095.60 is: 3,141.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.28 : 4,700.76 = 2,095.60 : x
  2. Step 2: Convert to fraction form
    3,135.28/4,700.76 = 2,095.60/x
  3. Step 3: Cross multiply
    3,135.28x = 4,700.76 × 2,095.60
  4. Step 4: Simplify right side
    3,135.28x = 9,850,912.66
  5. Step 5: Solve for x
    x = 9,850,912.66/3,135.28
  6. Step 6: Final answer
    x = 3,141.96

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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.