Home / 1,619.05-2,424.97-1,408.12

Finding the Fourth Proportional to 1,619.05, 2,424.97 and 1,408.12

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Solution

The fourth proportional to 1,619.05, 2,424.97 and 1,408.12 is: 2,109.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,619.05 : 2,424.97 = 1,408.12 : x
  2. Step 2: Convert to fraction form
    1,619.05/2,424.97 = 1,408.12/x
  3. Step 3: Cross multiply
    1,619.05x = 2,424.97 × 1,408.12
  4. Step 4: Simplify right side
    1,619.05x = 3,414,648.76
  5. Step 5: Solve for x
    x = 3,414,648.76/1,619.05
  6. Step 6: Final answer
    x = 2,109.04

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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.