Home / 2,783.73-4,171.18-2,261.19

Finding the Fourth Proportional to 2,783.73, 4,171.18 and 2,261.19

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Solution

The fourth proportional to 2,783.73, 4,171.18 and 2,261.19 is: 3,388.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783.73 : 4,171.18 = 2,261.19 : x
  2. Step 2: Convert to fraction form
    2,783.73/4,171.18 = 2,261.19/x
  3. Step 3: Cross multiply
    2,783.73x = 4,171.18 × 2,261.19
  4. Step 4: Simplify right side
    2,783.73x = 9,431,830.50
  5. Step 5: Solve for x
    x = 9,431,830.50/2,783.73
  6. Step 6: Final answer
    x = 3,388.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.