Home / 3,110.68-4,292.82-1,713.44

Finding the Fourth Proportional to 3,110.68, 4,292.82 and 1,713.44

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Solution

The fourth proportional to 3,110.68, 4,292.82 and 1,713.44 is: 2,364.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110.68 : 4,292.82 = 1,713.44 : x
  2. Step 2: Convert to fraction form
    3,110.68/4,292.82 = 1,713.44/x
  3. Step 3: Cross multiply
    3,110.68x = 4,292.82 × 1,713.44
  4. Step 4: Simplify right side
    3,110.68x = 7,355,489.50
  5. Step 5: Solve for x
    x = 7,355,489.50/3,110.68
  6. Step 6: Final answer
    x = 2,364.59

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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.