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Finding the Fourth Proportional to 3,220.54, 4,833.54 and 1,274.11

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Solution

The fourth proportional to 3,220.54, 4,833.54 and 1,274.11 is: 1,912.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220.54 : 4,833.54 = 1,274.11 : x
  2. Step 2: Convert to fraction form
    3,220.54/4,833.54 = 1,274.11/x
  3. Step 3: Cross multiply
    3,220.54x = 4,833.54 × 1,274.11
  4. Step 4: Simplify right side
    3,220.54x = 6,158,461.65
  5. Step 5: Solve for x
    x = 6,158,461.65/3,220.54
  6. Step 6: Final answer
    x = 1,912.25

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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.