Home / 3,708.35-5,114.64-2,382.18

Finding the Fourth Proportional to 3,708.35, 5,114.64 and 2,382.18

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Solution

The fourth proportional to 3,708.35, 5,114.64 and 2,382.18 is: 3,285.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,708.35 : 5,114.64 = 2,382.18 : x
  2. Step 2: Convert to fraction form
    3,708.35/5,114.64 = 2,382.18/x
  3. Step 3: Cross multiply
    3,708.35x = 5,114.64 × 2,382.18
  4. Step 4: Simplify right side
    3,708.35x = 12,183,993.12
  5. Step 5: Solve for x
    x = 12,183,993.12/3,708.35
  6. Step 6: Final answer
    x = 3,285.56

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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.