Home / 3,571.57-4,928.67-2,080.00

Finding the Fourth Proportional to 3,571.57, 4,928.67 and 2,080.00

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Solution

The fourth proportional to 3,571.57, 4,928.67 and 2,080.00 is: 2,870.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,571.57 : 4,928.67 = 2,080.00 : x
  2. Step 2: Convert to fraction form
    3,571.57/4,928.67 = 2,080.00/x
  3. Step 3: Cross multiply
    3,571.57x = 4,928.67 × 2,080.00
  4. Step 4: Simplify right side
    3,571.57x = 10,251,621.28
  5. Step 5: Solve for x
    x = 10,251,621.28/3,571.57
  6. Step 6: Final answer
    x = 2,870.34

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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.