Home / 3,821.15-5,273.51-2,206.58

Finding the Fourth Proportional to 3,821.15, 5,273.51 and 2,206.58

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Solution

The fourth proportional to 3,821.15, 5,273.51 and 2,206.58 is: 3,045.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821.15 : 5,273.51 = 2,206.58 : x
  2. Step 2: Convert to fraction form
    3,821.15/5,273.51 = 2,206.58/x
  3. Step 3: Cross multiply
    3,821.15x = 5,273.51 × 2,206.58
  4. Step 4: Simplify right side
    3,821.15x = 11,636,421.70
  5. Step 5: Solve for x
    x = 11,636,421.70/3,821.15
  6. Step 6: Final answer
    x = 3,045.27

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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.