Home / 3,071.64-4,243.17-2,739.96

Finding the Fourth Proportional to 3,071.64, 4,243.17 and 2,739.96

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Solution

The fourth proportional to 3,071.64, 4,243.17 and 2,739.96 is: 3,784.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,071.64 : 4,243.17 = 2,739.96 : x
  2. Step 2: Convert to fraction form
    3,071.64/4,243.17 = 2,739.96/x
  3. Step 3: Cross multiply
    3,071.64x = 4,243.17 × 2,739.96
  4. Step 4: Simplify right side
    3,071.64x = 11,626,116.07
  5. Step 5: Solve for x
    x = 11,626,116.07/3,071.64
  6. Step 6: Final answer
    x = 3,784.99

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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.