Home / 4,481.84-6,719.51-2,288.90

Finding the Fourth Proportional to 4,481.84, 6,719.51 and 2,288.90

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Solution

The fourth proportional to 4,481.84, 6,719.51 and 2,288.90 is: 3,431.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,481.84 : 6,719.51 = 2,288.90 : x
  2. Step 2: Convert to fraction form
    4,481.84/6,719.51 = 2,288.90/x
  3. Step 3: Cross multiply
    4,481.84x = 6,719.51 × 2,288.90
  4. Step 4: Simplify right side
    4,481.84x = 15,380,241.40
  5. Step 5: Solve for x
    x = 15,380,241.40/4,481.84
  6. Step 6: Final answer
    x = 3,431.68

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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.