Home / 3,873.38-5,345.16-2,194.74

Finding the Fourth Proportional to 3,873.38, 5,345.16 and 2,194.74

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Solution

The fourth proportional to 3,873.38, 5,345.16 and 2,194.74 is: 3,028.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,873.38 : 5,345.16 = 2,194.74 : x
  2. Step 2: Convert to fraction form
    3,873.38/5,345.16 = 2,194.74/x
  3. Step 3: Cross multiply
    3,873.38x = 5,345.16 × 2,194.74
  4. Step 4: Simplify right side
    3,873.38x = 11,731,225.48
  5. Step 5: Solve for x
    x = 11,731,225.48/3,873.38
  6. Step 6: Final answer
    x = 3,028.68

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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.