Home / 1,965.14-2,710.69-1,167.93

Finding the Fourth Proportional to 1,965.14, 2,710.69 and 1,167.93

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Solution

The fourth proportional to 1,965.14, 2,710.69 and 1,167.93 is: 1,611.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965.14 : 2,710.69 = 1,167.93 : x
  2. Step 2: Convert to fraction form
    1,965.14/2,710.69 = 1,167.93/x
  3. Step 3: Cross multiply
    1,965.14x = 2,710.69 × 1,167.93
  4. Step 4: Simplify right side
    1,965.14x = 3,165,882.62
  5. Step 5: Solve for x
    x = 3,165,882.62/1,965.14
  6. Step 6: Final answer
    x = 1,611.02

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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.