Home / 1,895.33-2,843.55-1,145.67

Finding the Fourth Proportional to 1,895.33, 2,843.55 and 1,145.67

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Solution

The fourth proportional to 1,895.33, 2,843.55 and 1,145.67 is: 1,718.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,895.33 : 2,843.55 = 1,145.67 : x
  2. Step 2: Convert to fraction form
    1,895.33/2,843.55 = 1,145.67/x
  3. Step 3: Cross multiply
    1,895.33x = 2,843.55 × 1,145.67
  4. Step 4: Simplify right side
    1,895.33x = 3,257,769.93
  5. Step 5: Solve for x
    x = 3,257,769.93/1,895.33
  6. Step 6: Final answer
    x = 1,718.85

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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.