Home / 1,950.32-2,690.58-1,163.91

Finding the Fourth Proportional to 1,950.32, 2,690.58 and 1,163.91

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Solution

The fourth proportional to 1,950.32, 2,690.58 and 1,163.91 is: 1,605.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,950.32 : 2,690.58 = 1,163.91 : x
  2. Step 2: Convert to fraction form
    1,950.32/2,690.58 = 1,163.91/x
  3. Step 3: Cross multiply
    1,950.32x = 2,690.58 × 1,163.91
  4. Step 4: Simplify right side
    1,950.32x = 3,131,578.51
  5. Step 5: Solve for x
    x = 3,131,578.51/1,950.32
  6. Step 6: Final answer
    x = 1,605.68

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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.