Home / 3,578.58-4,940.73-2,587.14

Finding the Fourth Proportional to 3,578.58, 4,940.73 and 2,587.14

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Solution

The fourth proportional to 3,578.58, 4,940.73 and 2,587.14 is: 3,571.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,578.58 : 4,940.73 = 2,587.14 : x
  2. Step 2: Convert to fraction form
    3,578.58/4,940.73 = 2,587.14/x
  3. Step 3: Cross multiply
    3,578.58x = 4,940.73 × 2,587.14
  4. Step 4: Simplify right side
    3,578.58x = 12,782,360.21
  5. Step 5: Solve for x
    x = 12,782,360.21/3,578.58
  6. Step 6: Final answer
    x = 3,571.91

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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.