Home / 3,880.29-5,819.36-1,571.25

Finding the Fourth Proportional to 3,880.29, 5,819.36 and 1,571.25

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Solution

The fourth proportional to 3,880.29, 5,819.36 and 1,571.25 is: 2,356.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,880.29 : 5,819.36 = 1,571.25 : x
  2. Step 2: Convert to fraction form
    3,880.29/5,819.36 = 1,571.25/x
  3. Step 3: Cross multiply
    3,880.29x = 5,819.36 × 1,571.25
  4. Step 4: Simplify right side
    3,880.29x = 9,143,661.54
  5. Step 5: Solve for x
    x = 9,143,661.54/3,880.29
  6. Step 6: Final answer
    x = 2,356.44

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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.