Home / 3,110.75-4,292.84-1,713.50

Finding the Fourth Proportional to 3,110.75, 4,292.84 and 1,713.50

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Solution

The fourth proportional to 3,110.75, 4,292.84 and 1,713.50 is: 2,364.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110.75 : 4,292.84 = 1,713.50 : x
  2. Step 2: Convert to fraction form
    3,110.75/4,292.84 = 1,713.50/x
  3. Step 3: Cross multiply
    3,110.75x = 4,292.84 × 1,713.50
  4. Step 4: Simplify right side
    3,110.75x = 7,355,781.34
  5. Step 5: Solve for x
    x = 7,355,781.34/3,110.75
  6. Step 6: Final answer
    x = 2,364.63

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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.