Home / 3,571.31-4,928.41-2,174.06

Finding the Fourth Proportional to 3,571.31, 4,928.41 and 2,174.06

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Solution

The fourth proportional to 3,571.31, 4,928.41 and 2,174.06 is: 3,000.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,571.31 : 4,928.41 = 2,174.06 : x
  2. Step 2: Convert to fraction form
    3,571.31/4,928.41 = 2,174.06/x
  3. Step 3: Cross multiply
    3,571.31x = 4,928.41 × 2,174.06
  4. Step 4: Simplify right side
    3,571.31x = 10,714,674.08
  5. Step 5: Solve for x
    x = 10,714,674.08/3,571.31
  6. Step 6: Final answer
    x = 3,000.21

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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.