Home / 2,161.82-3,242.93-1,675.41

Finding the Fourth Proportional to 2,161.82, 3,242.93 and 1,675.41

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Solution

The fourth proportional to 2,161.82, 3,242.93 and 1,675.41 is: 2,513.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,161.82 : 3,242.93 = 1,675.41 : x
  2. Step 2: Convert to fraction form
    2,161.82/3,242.93 = 1,675.41/x
  3. Step 3: Cross multiply
    2,161.82x = 3,242.93 × 1,675.41
  4. Step 4: Simplify right side
    2,161.82x = 5,433,237.35
  5. Step 5: Solve for x
    x = 5,433,237.35/2,161.82
  6. Step 6: Final answer
    x = 2,513.27

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1.5x scale

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.