Home / 3,191.44-4,402.74-2,305.84

Finding the Fourth Proportional to 3,191.44, 4,402.74 and 2,305.84

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Solution

The fourth proportional to 3,191.44, 4,402.74 and 2,305.84 is: 3,181.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,191.44 : 4,402.74 = 2,305.84 : x
  2. Step 2: Convert to fraction form
    3,191.44/4,402.74 = 2,305.84/x
  3. Step 3: Cross multiply
    3,191.44x = 4,402.74 × 2,305.84
  4. Step 4: Simplify right side
    3,191.44x = 10,152,014.00
  5. Step 5: Solve for x
    x = 10,152,014.00/3,191.44
  6. Step 6: Final answer
    x = 3,181.01

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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.