Home / 3,254.90-4,880.96-2,215.46

Finding the Fourth Proportional to 3,254.90, 4,880.96 and 2,215.46

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Solution

The fourth proportional to 3,254.90, 4,880.96 and 2,215.46 is: 3,322.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,254.90 : 4,880.96 = 2,215.46 : x
  2. Step 2: Convert to fraction form
    3,254.90/4,880.96 = 2,215.46/x
  3. Step 3: Cross multiply
    3,254.90x = 4,880.96 × 2,215.46
  4. Step 4: Simplify right side
    3,254.90x = 10,813,571.64
  5. Step 5: Solve for x
    x = 10,813,571.64/3,254.90
  6. Step 6: Final answer
    x = 3,322.24

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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.