Home / 3,578.33-4,937.49-2,086.31

Finding the Fourth Proportional to 3,578.33, 4,937.49 and 2,086.31

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Solution

The fourth proportional to 3,578.33, 4,937.49 and 2,086.31 is: 2,878.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,578.33 : 4,937.49 = 2,086.31 : x
  2. Step 2: Convert to fraction form
    3,578.33/4,937.49 = 2,086.31/x
  3. Step 3: Cross multiply
    3,578.33x = 4,937.49 × 2,086.31
  4. Step 4: Simplify right side
    3,578.33x = 10,301,110.07
  5. Step 5: Solve for x
    x = 10,301,110.07/3,578.33
  6. Step 6: Final answer
    x = 2,878.75

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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.