Home / 3,309.34-4,566.72-1,912

Finding the Fourth Proportional to 3,309.34, 4,566.72 and 1,912

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Solution

The fourth proportional to 3,309.34, 4,566.72 and 1,912 is: 2,638.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309.34 : 4,566.72 = 1,912 : x
  2. Step 2: Convert to fraction form
    3,309.34/4,566.72 = 1,912/x
  3. Step 3: Cross multiply
    3,309.34x = 4,566.72 × 1,912
  4. Step 4: Simplify right side
    3,309.34x = 8,731,568.64
  5. Step 5: Solve for x
    x = 8,731,568.64/3,309.34
  6. Step 6: Final answer
    x = 2,638.46

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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.