Home / 1,776.09-2,660.49-1,695.90

Finding the Fourth Proportional to 1,776.09, 2,660.49 and 1,695.90

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Solution

The fourth proportional to 1,776.09, 2,660.49 and 1,695.90 is: 2,540.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776.09 : 2,660.49 = 1,695.90 : x
  2. Step 2: Convert to fraction form
    1,776.09/2,660.49 = 1,695.90/x
  3. Step 3: Cross multiply
    1,776.09x = 2,660.49 × 1,695.90
  4. Step 4: Simplify right side
    1,776.09x = 4,511,924.99
  5. Step 5: Solve for x
    x = 4,511,924.99/1,776.09
  6. Step 6: Final answer
    x = 2,540.37

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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.