Home / 3,213.16-4,816.50-1,264.60

Finding the Fourth Proportional to 3,213.16, 4,816.50 and 1,264.60

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Solution

The fourth proportional to 3,213.16, 4,816.50 and 1,264.60 is: 1,895.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213.16 : 4,816.50 = 1,264.60 : x
  2. Step 2: Convert to fraction form
    3,213.16/4,816.50 = 1,264.60/x
  3. Step 3: Cross multiply
    3,213.16x = 4,816.50 × 1,264.60
  4. Step 4: Simplify right side
    3,213.16x = 6,090,945.90
  5. Step 5: Solve for x
    x = 6,090,945.90/3,213.16
  6. Step 6: Final answer
    x = 1,895.62

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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.