Home / 3,118.79-4,304.09-1,792.62

Finding the Fourth Proportional to 3,118.79, 4,304.09 and 1,792.62

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Solution

The fourth proportional to 3,118.79, 4,304.09 and 1,792.62 is: 2,473.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118.79 : 4,304.09 = 1,792.62 : x
  2. Step 2: Convert to fraction form
    3,118.79/4,304.09 = 1,792.62/x
  3. Step 3: Cross multiply
    3,118.79x = 4,304.09 × 1,792.62
  4. Step 4: Simplify right side
    3,118.79x = 7,715,576.30
  5. Step 5: Solve for x
    x = 7,715,576.30/3,118.79
  6. Step 6: Final answer
    x = 2,473.90

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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.