Home / 2,709.08-3,734.70-1,922.84

Finding the Fourth Proportional to 2,709.08, 3,734.70 and 1,922.84

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Solution

The fourth proportional to 2,709.08, 3,734.70 and 1,922.84 is: 2,650.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,709.08 : 3,734.70 = 1,922.84 : x
  2. Step 2: Convert to fraction form
    2,709.08/3,734.70 = 1,922.84/x
  3. Step 3: Cross multiply
    2,709.08x = 3,734.70 × 1,922.84
  4. Step 4: Simplify right side
    2,709.08x = 7,181,230.55
  5. Step 5: Solve for x
    x = 7,181,230.55/2,709.08
  6. Step 6: Final answer
    x = 2,650.80

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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.