Home / 3,910.95-5,364.97-3,699.09

Finding the Fourth Proportional to 3,910.95, 5,364.97 and 3,699.09

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Solution

The fourth proportional to 3,910.95, 5,364.97 and 3,699.09 is: 5,074.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,910.95 : 5,364.97 = 3,699.09 : x
  2. Step 2: Convert to fraction form
    3,910.95/5,364.97 = 3,699.09/x
  3. Step 3: Cross multiply
    3,910.95x = 5,364.97 × 3,699.09
  4. Step 4: Simplify right side
    3,910.95x = 19,845,497.63
  5. Step 5: Solve for x
    x = 19,845,497.63/3,910.95
  6. Step 6: Final answer
    x = 5,074.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.