Home / 3,141.62-4,336.43-2,146.53

Finding the Fourth Proportional to 3,141.62, 4,336.43 and 2,146.53

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Solution

The fourth proportional to 3,141.62, 4,336.43 and 2,146.53 is: 2,962.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,141.62 : 4,336.43 = 2,146.53 : x
  2. Step 2: Convert to fraction form
    3,141.62/4,336.43 = 2,146.53/x
  3. Step 3: Cross multiply
    3,141.62x = 4,336.43 × 2,146.53
  4. Step 4: Simplify right side
    3,141.62x = 9,308,266.36
  5. Step 5: Solve for x
    x = 9,308,266.36/3,141.62
  6. Step 6: Final answer
    x = 2,962.89

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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.