Home / 3,365.35-4,645.43-2,891.35

Finding the Fourth Proportional to 3,365.35, 4,645.43 and 2,891.35

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Solution

The fourth proportional to 3,365.35, 4,645.43 and 2,891.35 is: 3,991.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,365.35 : 4,645.43 = 2,891.35 : x
  2. Step 2: Convert to fraction form
    3,365.35/4,645.43 = 2,891.35/x
  3. Step 3: Cross multiply
    3,365.35x = 4,645.43 × 2,891.35
  4. Step 4: Simplify right side
    3,365.35x = 13,431,564.03
  5. Step 5: Solve for x
    x = 13,431,564.03/3,365.35
  6. Step 6: Final answer
    x = 3,991.13

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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.