Home / 2,618.87-3,926.68-1,741.84

Finding the Fourth Proportional to 2,618.87, 3,926.68 and 1,741.84

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Solution

The fourth proportional to 2,618.87, 3,926.68 and 1,741.84 is: 2,611.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,618.87 : 3,926.68 = 1,741.84 : x
  2. Step 2: Convert to fraction form
    2,618.87/3,926.68 = 1,741.84/x
  3. Step 3: Cross multiply
    2,618.87x = 3,926.68 × 1,741.84
  4. Step 4: Simplify right side
    2,618.87x = 6,839,634.12
  5. Step 5: Solve for x
    x = 6,839,634.12/2,618.87
  6. Step 6: Final answer
    x = 2,611.68

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1.5x scale

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.