Home / 3,618.85-4,994.25-2,025.64

Finding the Fourth Proportional to 3,618.85, 4,994.25 and 2,025.64

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Solution

The fourth proportional to 3,618.85, 4,994.25 and 2,025.64 is: 2,795.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,618.85 : 4,994.25 = 2,025.64 : x
  2. Step 2: Convert to fraction form
    3,618.85/4,994.25 = 2,025.64/x
  3. Step 3: Cross multiply
    3,618.85x = 4,994.25 × 2,025.64
  4. Step 4: Simplify right side
    3,618.85x = 10,116,542.44
  5. Step 5: Solve for x
    x = 10,116,542.44/3,618.85
  6. Step 6: Final answer
    x = 2,795.52

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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.