Home / 3,310.16-4,566.72-1,912.64

Finding the Fourth Proportional to 3,310.16, 4,566.72 and 1,912.64

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Solution

The fourth proportional to 3,310.16, 4,566.72 and 1,912.64 is: 2,638.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,310.16 : 4,566.72 = 1,912.64 : x
  2. Step 2: Convert to fraction form
    3,310.16/4,566.72 = 1,912.64/x
  3. Step 3: Cross multiply
    3,310.16x = 4,566.72 × 1,912.64
  4. Step 4: Simplify right side
    3,310.16x = 8,734,491.34
  5. Step 5: Solve for x
    x = 8,734,491.34/3,310.16
  6. Step 6: Final answer
    x = 2,638.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.