Home / 3,110.82-4,292.73-1,713.57

Finding the Fourth Proportional to 3,110.82, 4,292.73 and 1,713.57

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Solution

The fourth proportional to 3,110.82, 4,292.73 and 1,713.57 is: 2,364.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110.82 : 4,292.73 = 1,713.57 : x
  2. Step 2: Convert to fraction form
    3,110.82/4,292.73 = 1,713.57/x
  3. Step 3: Cross multiply
    3,110.82x = 4,292.73 × 1,713.57
  4. Step 4: Simplify right side
    3,110.82x = 7,355,893.35
  5. Step 5: Solve for x
    x = 7,355,893.35/3,110.82
  6. Step 6: Final answer
    x = 2,364.62

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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.