Home / 4,072.84-5,620.53-2,209.84

Finding the Fourth Proportional to 4,072.84, 5,620.53 and 2,209.84

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Solution

The fourth proportional to 4,072.84, 5,620.53 and 2,209.84 is: 3,049.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,072.84 : 5,620.53 = 2,209.84 : x
  2. Step 2: Convert to fraction form
    4,072.84/5,620.53 = 2,209.84/x
  3. Step 3: Cross multiply
    4,072.84x = 5,620.53 × 2,209.84
  4. Step 4: Simplify right side
    4,072.84x = 12,420,472.02
  5. Step 5: Solve for x
    x = 12,420,472.02/4,072.84
  6. Step 6: Final answer
    x = 3,049.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.