Home / 3,175.33-4,381.81-1,759.07

Finding the Fourth Proportional to 3,175.33, 4,381.81 and 1,759.07

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Solution

The fourth proportional to 3,175.33, 4,381.81 and 1,759.07 is: 2,427.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,175.33 : 4,381.81 = 1,759.07 : x
  2. Step 2: Convert to fraction form
    3,175.33/4,381.81 = 1,759.07/x
  3. Step 3: Cross multiply
    3,175.33x = 4,381.81 × 1,759.07
  4. Step 4: Simplify right side
    3,175.33x = 7,707,910.52
  5. Step 5: Solve for x
    x = 7,707,910.52/3,175.33
  6. Step 6: Final answer
    x = 2,427.44

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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.