Home / 3,571.24-4,927.44-2,078.26

Finding the Fourth Proportional to 3,571.24, 4,927.44 and 2,078.26

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Solution

The fourth proportional to 3,571.24, 4,927.44 and 2,078.26 is: 2,867.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,571.24 : 4,927.44 = 2,078.26 : x
  2. Step 2: Convert to fraction form
    3,571.24/4,927.44 = 2,078.26/x
  3. Step 3: Cross multiply
    3,571.24x = 4,927.44 × 2,078.26
  4. Step 4: Simplify right side
    3,571.24x = 10,240,501.45
  5. Step 5: Solve for x
    x = 10,240,501.45/3,571.24
  6. Step 6: Final answer
    x = 2,867.49

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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.