Home / 3,327.06-4,990.47-1,571.43

Finding the Fourth Proportional to 3,327.06, 4,990.47 and 1,571.43

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Solution

The fourth proportional to 3,327.06, 4,990.47 and 1,571.43 is: 2,357.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,327.06 : 4,990.47 = 1,571.43 : x
  2. Step 2: Convert to fraction form
    3,327.06/4,990.47 = 1,571.43/x
  3. Step 3: Cross multiply
    3,327.06x = 4,990.47 × 1,571.43
  4. Step 4: Simplify right side
    3,327.06x = 7,842,174.27
  5. Step 5: Solve for x
    x = 7,842,174.27/3,327.06
  6. Step 6: Final answer
    x = 2,357.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.