Home / 1,741.20-2,611.98-1,198.50

Finding the Fourth Proportional to 1,741.20, 2,611.98 and 1,198.50

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Solution

The fourth proportional to 1,741.20, 2,611.98 and 1,198.50 is: 1,797.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,741.20 : 2,611.98 = 1,198.50 : x
  2. Step 2: Convert to fraction form
    1,741.20/2,611.98 = 1,198.50/x
  3. Step 3: Cross multiply
    1,741.20x = 2,611.98 × 1,198.50
  4. Step 4: Simplify right side
    1,741.20x = 3,130,458.03
  5. Step 5: Solve for x
    x = 3,130,458.03/1,741.20
  6. Step 6: Final answer
    x = 1,797.87

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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.