Home / 3,821.68-5,277.05-2,407.62

Finding the Fourth Proportional to 3,821.68, 5,277.05 and 2,407.62

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Solution

The fourth proportional to 3,821.68, 5,277.05 and 2,407.62 is: 3,324.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821.68 : 5,277.05 = 2,407.62 : x
  2. Step 2: Convert to fraction form
    3,821.68/5,277.05 = 2,407.62/x
  3. Step 3: Cross multiply
    3,821.68x = 5,277.05 × 2,407.62
  4. Step 4: Simplify right side
    3,821.68x = 12,705,147.90
  5. Step 5: Solve for x
    x = 12,705,147.90/3,821.68
  6. Step 6: Final answer
    x = 3,324.49

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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.