Home / 3,215.97-4,816.46-3,127.30

Finding the Fourth Proportional to 3,215.97, 4,816.46 and 3,127.30

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Solution

The fourth proportional to 3,215.97, 4,816.46 and 3,127.30 is: 4,683.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215.97 : 4,816.46 = 3,127.30 : x
  2. Step 2: Convert to fraction form
    3,215.97/4,816.46 = 3,127.30/x
  3. Step 3: Cross multiply
    3,215.97x = 4,816.46 × 3,127.30
  4. Step 4: Simplify right side
    3,215.97x = 15,062,511.14
  5. Step 5: Solve for x
    x = 15,062,511.14/3,215.97
  6. Step 6: Final answer
    x = 4,683.66

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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.