Home / 3,466.80-5,193.36-2,815.92

Finding the Fourth Proportional to 3,466.80, 5,193.36 and 2,815.92

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Solution

The fourth proportional to 3,466.80, 5,193.36 and 2,815.92 is: 4,218.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,466.80 : 5,193.36 = 2,815.92 : x
  2. Step 2: Convert to fraction form
    3,466.80/5,193.36 = 2,815.92/x
  3. Step 3: Cross multiply
    3,466.80x = 5,193.36 × 2,815.92
  4. Step 4: Simplify right side
    3,466.80x = 14,624,086.29
  5. Step 5: Solve for x
    x = 14,624,086.29/3,466.80
  6. Step 6: Final answer
    x = 4,218.32

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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.