Home / 3,571.25-5,319.21-3,411.35

Finding the Fourth Proportional to 3,571.25, 5,319.21 and 3,411.35

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Solution

The fourth proportional to 3,571.25, 5,319.21 and 3,411.35 is: 5,081.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,571.25 : 5,319.21 = 3,411.35 : x
  2. Step 2: Convert to fraction form
    3,571.25/5,319.21 = 3,411.35/x
  3. Step 3: Cross multiply
    3,571.25x = 5,319.21 × 3,411.35
  4. Step 4: Simplify right side
    3,571.25x = 18,145,660.44
  5. Step 5: Solve for x
    x = 18,145,660.44/3,571.25
  6. Step 6: Final answer
    x = 5,081.05

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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.