Home / 1,795.78-2,691.21-1,145.35

Finding the Fourth Proportional to 1,795.78, 2,691.21 and 1,145.35

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Solution

The fourth proportional to 1,795.78, 2,691.21 and 1,145.35 is: 1,716.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,795.78 : 2,691.21 = 1,145.35 : x
  2. Step 2: Convert to fraction form
    1,795.78/2,691.21 = 1,145.35/x
  3. Step 3: Cross multiply
    1,795.78x = 2,691.21 × 1,145.35
  4. Step 4: Simplify right side
    1,795.78x = 3,082,377.37
  5. Step 5: Solve for x
    x = 3,082,377.37/1,795.78
  6. Step 6: Final answer
    x = 1,716.46

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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.