Home / 2,690.44-3,709.32-1,849.60

Finding the Fourth Proportional to 2,690.44, 3,709.32 and 1,849.60

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Solution

The fourth proportional to 2,690.44, 3,709.32 and 1,849.60 is: 2,550.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,690.44 : 3,709.32 = 1,849.60 : x
  2. Step 2: Convert to fraction form
    2,690.44/3,709.32 = 1,849.60/x
  3. Step 3: Cross multiply
    2,690.44x = 3,709.32 × 1,849.60
  4. Step 4: Simplify right side
    2,690.44x = 6,860,758.27
  5. Step 5: Solve for x
    x = 6,860,758.27/2,690.44
  6. Step 6: Final answer
    x = 2,550.05

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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.