Home / 3,215.70-4,816.26-2,518.02

Finding the Fourth Proportional to 3,215.70, 4,816.26 and 2,518.02

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Solution

The fourth proportional to 3,215.70, 4,816.26 and 2,518.02 is: 3,771.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215.70 : 4,816.26 = 2,518.02 : x
  2. Step 2: Convert to fraction form
    3,215.70/4,816.26 = 2,518.02/x
  3. Step 3: Cross multiply
    3,215.70x = 4,816.26 × 2,518.02
  4. Step 4: Simplify right side
    3,215.70x = 12,127,439.01
  5. Step 5: Solve for x
    x = 12,127,439.01/3,215.70
  6. Step 6: Final answer
    x = 3,771.32

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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.