Home / 2,299.45-3,173.94-2,181.88

Finding the Fourth Proportional to 2,299.45, 3,173.94 and 2,181.88

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Solution

The fourth proportional to 2,299.45, 3,173.94 and 2,181.88 is: 3,011.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,299.45 : 3,173.94 = 2,181.88 : x
  2. Step 2: Convert to fraction form
    2,299.45/3,173.94 = 2,181.88/x
  3. Step 3: Cross multiply
    2,299.45x = 3,173.94 × 2,181.88
  4. Step 4: Simplify right side
    2,299.45x = 6,925,156.21
  5. Step 5: Solve for x
    x = 6,925,156.21/2,299.45
  6. Step 6: Final answer
    x = 3,011.66

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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.