Home / 2,836.20-4,246.31-2,140.66

Finding the Fourth Proportional to 2,836.20, 4,246.31 and 2,140.66

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Solution

The fourth proportional to 2,836.20, 4,246.31 and 2,140.66 is: 3,204.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,836.20 : 4,246.31 = 2,140.66 : x
  2. Step 2: Convert to fraction form
    2,836.20/4,246.31 = 2,140.66/x
  3. Step 3: Cross multiply
    2,836.20x = 4,246.31 × 2,140.66
  4. Step 4: Simplify right side
    2,836.20x = 9,089,905.96
  5. Step 5: Solve for x
    x = 9,089,905.96/2,836.20
  6. Step 6: Final answer
    x = 3,204.96

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1.5x scale

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.