Home / 2,834.73-3,911.94-1,655.55

Finding the Fourth Proportional to 2,834.73, 3,911.94 and 1,655.55

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Solution

The fourth proportional to 2,834.73, 3,911.94 and 1,655.55 is: 2,284.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,834.73 : 3,911.94 = 1,655.55 : x
  2. Step 2: Convert to fraction form
    2,834.73/3,911.94 = 1,655.55/x
  3. Step 3: Cross multiply
    2,834.73x = 3,911.94 × 1,655.55
  4. Step 4: Simplify right side
    2,834.73x = 6,476,412.27
  5. Step 5: Solve for x
    x = 6,476,412.27/2,834.73
  6. Step 6: Final answer
    x = 2,284.67

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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.