Home / 2,580.28-3,839.39-2,571.64

Finding the Fourth Proportional to 2,580.28, 3,839.39 and 2,571.64

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Solution

The fourth proportional to 2,580.28, 3,839.39 and 2,571.64 is: 3,826.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,580.28 : 3,839.39 = 2,571.64 : x
  2. Step 2: Convert to fraction form
    2,580.28/3,839.39 = 2,571.64/x
  3. Step 3: Cross multiply
    2,580.28x = 3,839.39 × 2,571.64
  4. Step 4: Simplify right side
    2,580.28x = 9,873,528.90
  5. Step 5: Solve for x
    x = 9,873,528.90/2,580.28
  6. Step 6: Final answer
    x = 3,826.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.