Home / 1,789.62-2,695.70-1,680.27

Finding the Fourth Proportional to 1,789.62, 2,695.70 and 1,680.27

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Solution

The fourth proportional to 1,789.62, 2,695.70 and 1,680.27 is: 2,530.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,789.62 : 2,695.70 = 1,680.27 : x
  2. Step 2: Convert to fraction form
    1,789.62/2,695.70 = 1,680.27/x
  3. Step 3: Cross multiply
    1,789.62x = 2,695.70 × 1,680.27
  4. Step 4: Simplify right side
    1,789.62x = 4,529,503.84
  5. Step 5: Solve for x
    x = 4,529,503.84/1,789.62
  6. Step 6: Final answer
    x = 2,530.99

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.