Home / 2,519.88-3,774.78-2,000.76

Finding the Fourth Proportional to 2,519.88, 3,774.78 and 2,000.76

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Solution

The fourth proportional to 2,519.88, 3,774.78 and 2,000.76 is: 2,997.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,519.88 : 3,774.78 = 2,000.76 : x
  2. Step 2: Convert to fraction form
    2,519.88/3,774.78 = 2,000.76/x
  3. Step 3: Cross multiply
    2,519.88x = 3,774.78 × 2,000.76
  4. Step 4: Simplify right side
    2,519.88x = 7,552,428.83
  5. Step 5: Solve for x
    x = 7,552,428.83/2,519.88
  6. Step 6: Final answer
    x = 2,997.14

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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.