Home / 3,275.36-4,912.80-1,084.16

Finding the Fourth Proportional to 3,275.36, 4,912.80 and 1,084.16

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Solution

The fourth proportional to 3,275.36, 4,912.80 and 1,084.16 is: 1,626.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,275.36 : 4,912.80 = 1,084.16 : x
  2. Step 2: Convert to fraction form
    3,275.36/4,912.80 = 1,084.16/x
  3. Step 3: Cross multiply
    3,275.36x = 4,912.80 × 1,084.16
  4. Step 4: Simplify right side
    3,275.36x = 5,326,261.25
  5. Step 5: Solve for x
    x = 5,326,261.25/3,275.36
  6. Step 6: Final answer
    x = 1,626.16

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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.