Home / 2,057.44-2,838.09-1,679.91

Finding the Fourth Proportional to 2,057.44, 2,838.09 and 1,679.91

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Solution

The fourth proportional to 2,057.44, 2,838.09 and 1,679.91 is: 2,317.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,057.44 : 2,838.09 = 1,679.91 : x
  2. Step 2: Convert to fraction form
    2,057.44/2,838.09 = 1,679.91/x
  3. Step 3: Cross multiply
    2,057.44x = 2,838.09 × 1,679.91
  4. Step 4: Simplify right side
    2,057.44x = 4,767,735.77
  5. Step 5: Solve for x
    x = 4,767,735.77/2,057.44
  6. Step 6: Final answer
    x = 2,317.31

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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.