Home / 2,771.50-3,822.94-1,651.67

Finding the Fourth Proportional to 2,771.50, 3,822.94 and 1,651.67

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Solution

The fourth proportional to 2,771.50, 3,822.94 and 1,651.67 is: 2,278.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,771.50 : 3,822.94 = 1,651.67 : x
  2. Step 2: Convert to fraction form
    2,771.50/3,822.94 = 1,651.67/x
  3. Step 3: Cross multiply
    2,771.50x = 3,822.94 × 1,651.67
  4. Step 4: Simplify right side
    2,771.50x = 6,314,235.31
  5. Step 5: Solve for x
    x = 6,314,235.31/2,771.50
  6. Step 6: Final answer
    x = 2,278.27

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1.5x scale

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.