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Finding the Fourth Proportional to 2,611.36, 3,907.23 and 1,832.88

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Solution

The fourth proportional to 2,611.36, 3,907.23 and 1,832.88 is: 2,742.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,611.36 : 3,907.23 = 1,832.88 : x
  2. Step 2: Convert to fraction form
    2,611.36/3,907.23 = 1,832.88/x
  3. Step 3: Cross multiply
    2,611.36x = 3,907.23 × 1,832.88
  4. Step 4: Simplify right side
    2,611.36x = 7,161,491.50
  5. Step 5: Solve for x
    x = 7,161,491.50/2,611.36
  6. Step 6: Final answer
    x = 2,742.44

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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.