Home / 1,695.05-2,338.44-1,065.38

Finding the Fourth Proportional to 1,695.05, 2,338.44 and 1,065.38

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Solution

The fourth proportional to 1,695.05, 2,338.44 and 1,065.38 is: 1,469.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,695.05 : 2,338.44 = 1,065.38 : x
  2. Step 2: Convert to fraction form
    1,695.05/2,338.44 = 1,065.38/x
  3. Step 3: Cross multiply
    1,695.05x = 2,338.44 × 1,065.38
  4. Step 4: Simplify right side
    1,695.05x = 2,491,315.52
  5. Step 5: Solve for x
    x = 2,491,315.52/1,695.05
  6. Step 6: Final answer
    x = 1,469.76

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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.