Home / 3,821.27-5,269.06-2,403.21

Finding the Fourth Proportional to 3,821.27, 5,269.06 and 2,403.21

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Solution

The fourth proportional to 3,821.27, 5,269.06 and 2,403.21 is: 3,313.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821.27 : 5,269.06 = 2,403.21 : x
  2. Step 2: Convert to fraction form
    3,821.27/5,269.06 = 2,403.21/x
  3. Step 3: Cross multiply
    3,821.27x = 5,269.06 × 2,403.21
  4. Step 4: Simplify right side
    3,821.27x = 12,662,680.45
  5. Step 5: Solve for x
    x = 12,662,680.45/3,821.27
  6. Step 6: Final answer
    x = 3,313.74

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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.