Home / 3,571.37-4,928.52-2,080.16

Finding the Fourth Proportional to 3,571.37, 4,928.52 and 2,080.16

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Solution

The fourth proportional to 3,571.37, 4,928.52 and 2,080.16 is: 2,870.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,571.37 : 4,928.52 = 2,080.16 : x
  2. Step 2: Convert to fraction form
    3,571.37/4,928.52 = 2,080.16/x
  3. Step 3: Cross multiply
    3,571.37x = 4,928.52 × 2,080.16
  4. Step 4: Simplify right side
    3,571.37x = 10,252,110.16
  5. Step 5: Solve for x
    x = 10,252,110.16/3,571.37
  6. Step 6: Final answer
    x = 2,870.64

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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.