Home / 2,758.92-4,137.75-1,663.59

Finding the Fourth Proportional to 2,758.92, 4,137.75 and 1,663.59

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Solution

The fourth proportional to 2,758.92, 4,137.75 and 1,663.59 is: 2,495.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,758.92 : 4,137.75 = 1,663.59 : x
  2. Step 2: Convert to fraction form
    2,758.92/4,137.75 = 1,663.59/x
  3. Step 3: Cross multiply
    2,758.92x = 4,137.75 × 1,663.59
  4. Step 4: Simplify right side
    2,758.92x = 6,883,519.52
  5. Step 5: Solve for x
    x = 6,883,519.52/2,758.92
  6. Step 6: Final answer
    x = 2,495.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.