Home / 3,220.18-4,823.55-2,049.58

Finding the Fourth Proportional to 3,220.18, 4,823.55 and 2,049.58

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Solution

The fourth proportional to 3,220.18, 4,823.55 and 2,049.58 is: 3,070.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220.18 : 4,823.55 = 2,049.58 : x
  2. Step 2: Convert to fraction form
    3,220.18/4,823.55 = 2,049.58/x
  3. Step 3: Cross multiply
    3,220.18x = 4,823.55 × 2,049.58
  4. Step 4: Simplify right side
    3,220.18x = 9,886,251.61
  5. Step 5: Solve for x
    x = 9,886,251.61/3,220.18
  6. Step 6: Final answer
    x = 3,070.09

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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.