Home / 2,836.55-4,251.67-2,140.96

Finding the Fourth Proportional to 2,836.55, 4,251.67 and 2,140.96

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Solution

The fourth proportional to 2,836.55, 4,251.67 and 2,140.96 is: 3,209.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,836.55 : 4,251.67 = 2,140.96 : x
  2. Step 2: Convert to fraction form
    2,836.55/4,251.67 = 2,140.96/x
  3. Step 3: Cross multiply
    2,836.55x = 4,251.67 × 2,140.96
  4. Step 4: Simplify right side
    2,836.55x = 9,102,639.42
  5. Step 5: Solve for x
    x = 9,102,639.42/2,836.55
  6. Step 6: Final answer
    x = 3,209.06

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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.