Home / 3,161.90-4,363.35-1,745.59

Finding the Fourth Proportional to 3,161.90, 4,363.35 and 1,745.59

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Solution

The fourth proportional to 3,161.90, 4,363.35 and 1,745.59 is: 2,408.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,161.90 : 4,363.35 = 1,745.59 : x
  2. Step 2: Convert to fraction form
    3,161.90/4,363.35 = 1,745.59/x
  3. Step 3: Cross multiply
    3,161.90x = 4,363.35 × 1,745.59
  4. Step 4: Simplify right side
    3,161.90x = 7,616,609.22
  5. Step 5: Solve for x
    x = 7,616,609.22/3,161.90
  6. Step 6: Final answer
    x = 2,408.87

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1.5x scale

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.