Home / 1,408.49-2,110.83-1,145.54

Finding the Fourth Proportional to 1,408.49, 2,110.83 and 1,145.54

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Solution

The fourth proportional to 1,408.49, 2,110.83 and 1,145.54 is: 1,716.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408.49 : 2,110.83 = 1,145.54 : x
  2. Step 2: Convert to fraction form
    1,408.49/2,110.83 = 1,145.54/x
  3. Step 3: Cross multiply
    1,408.49x = 2,110.83 × 1,145.54
  4. Step 4: Simplify right side
    1,408.49x = 2,418,041.18
  5. Step 5: Solve for x
    x = 2,418,041.18/1,408.49
  6. Step 6: Final answer
    x = 1,716.76

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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.