Home / 1,629.75-2,249.82-1,070.31

Finding the Fourth Proportional to 1,629.75, 2,249.82 and 1,070.31

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Solution

The fourth proportional to 1,629.75, 2,249.82 and 1,070.31 is: 1,477.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629.75 : 2,249.82 = 1,070.31 : x
  2. Step 2: Convert to fraction form
    1,629.75/2,249.82 = 1,070.31/x
  3. Step 3: Cross multiply
    1,629.75x = 2,249.82 × 1,070.31
  4. Step 4: Simplify right side
    1,629.75x = 2,408,004.84
  5. Step 5: Solve for x
    x = 2,408,004.84/1,629.75
  6. Step 6: Final answer
    x = 1,477.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.