Home / 3,309.31-4,963.90-1,334.89

Finding the Fourth Proportional to 3,309.31, 4,963.90 and 1,334.89

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Solution

The fourth proportional to 3,309.31, 4,963.90 and 1,334.89 is: 2,002.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309.31 : 4,963.90 = 1,334.89 : x
  2. Step 2: Convert to fraction form
    3,309.31/4,963.90 = 1,334.89/x
  3. Step 3: Cross multiply
    3,309.31x = 4,963.90 × 1,334.89
  4. Step 4: Simplify right side
    3,309.31x = 6,626,267.19
  5. Step 5: Solve for x
    x = 6,626,267.19/3,309.31
  6. Step 6: Final answer
    x = 2,002.31

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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.