Home / 2,519.00-3,774.85-1,421.04

Finding the Fourth Proportional to 2,519.00, 3,774.85 and 1,421.04

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Solution

The fourth proportional to 2,519.00, 3,774.85 and 1,421.04 is: 2,129.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,519.00 : 3,774.85 = 1,421.04 : x
  2. Step 2: Convert to fraction form
    2,519.00/3,774.85 = 1,421.04/x
  3. Step 3: Cross multiply
    2,519.00x = 3,774.85 × 1,421.04
  4. Step 4: Simplify right side
    2,519.00x = 5,364,231.44
  5. Step 5: Solve for x
    x = 5,364,231.44/2,519.00
  6. Step 6: Final answer
    x = 2,129.51

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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.