Home / 2,993.45-4,490.97-2,666.63

Finding the Fourth Proportional to 2,993.45, 4,490.97 and 2,666.63

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Solution

The fourth proportional to 2,993.45, 4,490.97 and 2,666.63 is: 4,000.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,993.45 : 4,490.97 = 2,666.63 : x
  2. Step 2: Convert to fraction form
    2,993.45/4,490.97 = 2,666.63/x
  3. Step 3: Cross multiply
    2,993.45x = 4,490.97 × 2,666.63
  4. Step 4: Simplify right side
    2,993.45x = 11,975,732.88
  5. Step 5: Solve for x
    x = 11,975,732.88/2,993.45
  6. Step 6: Final answer
    x = 4,000.65

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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.