Home / 3,873.18-5,345.10-2,194.55

Finding the Fourth Proportional to 3,873.18, 5,345.10 and 2,194.55

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Solution

The fourth proportional to 3,873.18, 5,345.10 and 2,194.55 is: 3,028.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,873.18 : 5,345.10 = 2,194.55 : x
  2. Step 2: Convert to fraction form
    3,873.18/5,345.10 = 2,194.55/x
  3. Step 3: Cross multiply
    3,873.18x = 5,345.10 × 2,194.55
  4. Step 4: Simplify right side
    3,873.18x = 11,730,089.21
  5. Step 5: Solve for x
    x = 11,730,089.21/3,873.18
  6. Step 6: Final answer
    x = 3,028.54

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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.