Home / 3,141.64-4,331.46-1,962.28

Finding the Fourth Proportional to 3,141.64, 4,331.46 and 1,962.28

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Solution

The fourth proportional to 3,141.64, 4,331.46 and 1,962.28 is: 2,705.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,141.64 : 4,331.46 = 1,962.28 : x
  2. Step 2: Convert to fraction form
    3,141.64/4,331.46 = 1,962.28/x
  3. Step 3: Cross multiply
    3,141.64x = 4,331.46 × 1,962.28
  4. Step 4: Simplify right side
    3,141.64x = 8,499,537.33
  5. Step 5: Solve for x
    x = 8,499,537.33/3,141.64
  6. Step 6: Final answer
    x = 2,705.45

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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.