Home / 3,314.05-4,571.47-1,986.98

Finding the Fourth Proportional to 3,314.05, 4,571.47 and 1,986.98

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Solution

The fourth proportional to 3,314.05, 4,571.47 and 1,986.98 is: 2,740.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,314.05 : 4,571.47 = 1,986.98 : x
  2. Step 2: Convert to fraction form
    3,314.05/4,571.47 = 1,986.98/x
  3. Step 3: Cross multiply
    3,314.05x = 4,571.47 × 1,986.98
  4. Step 4: Simplify right side
    3,314.05x = 9,083,399.09
  5. Step 5: Solve for x
    x = 9,083,399.09/3,314.05
  6. Step 6: Final answer
    x = 2,740.88

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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.