Home / 2,209.46-3,315.36-2,036.90

Finding the Fourth Proportional to 2,209.46, 3,315.36 and 2,036.90

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Solution

The fourth proportional to 2,209.46, 3,315.36 and 2,036.90 is: 3,056.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,209.46 : 3,315.36 = 2,036.90 : x
  2. Step 2: Convert to fraction form
    2,209.46/3,315.36 = 2,036.90/x
  3. Step 3: Cross multiply
    2,209.46x = 3,315.36 × 2,036.90
  4. Step 4: Simplify right side
    2,209.46x = 6,753,056.78
  5. Step 5: Solve for x
    x = 6,753,056.78/2,209.46
  6. Step 6: Final answer
    x = 3,056.43

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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.