Home / 3,873.10-5,345.02-2,194.56

Finding the Fourth Proportional to 3,873.10, 5,345.02 and 2,194.56

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Solution

The fourth proportional to 3,873.10, 5,345.02 and 2,194.56 is: 3,028.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,873.10 : 5,345.02 = 2,194.56 : x
  2. Step 2: Convert to fraction form
    3,873.10/5,345.02 = 2,194.56/x
  3. Step 3: Cross multiply
    3,873.10x = 5,345.02 × 2,194.56
  4. Step 4: Simplify right side
    3,873.10x = 11,729,967.09
  5. Step 5: Solve for x
    x = 11,729,967.09/3,873.10
  6. Step 6: Final answer
    x = 3,028.57

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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.