Home / 1,813.49-2,719.01-1,163.87

Finding the Fourth Proportional to 1,813.49, 2,719.01 and 1,163.87

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Solution

The fourth proportional to 1,813.49, 2,719.01 and 1,163.87 is: 1,745.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,813.49 : 2,719.01 = 1,163.87 : x
  2. Step 2: Convert to fraction form
    1,813.49/2,719.01 = 1,163.87/x
  3. Step 3: Cross multiply
    1,813.49x = 2,719.01 × 1,163.87
  4. Step 4: Simplify right side
    1,813.49x = 3,164,554.75
  5. Step 5: Solve for x
    x = 3,164,554.75/1,813.49
  6. Step 6: Final answer
    x = 1,745.01

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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.