Home / 3,104.42-4,655.91-1,855.39

Finding the Fourth Proportional to 3,104.42, 4,655.91 and 1,855.39

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Solution

The fourth proportional to 3,104.42, 4,655.91 and 1,855.39 is: 2,782.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,104.42 : 4,655.91 = 1,855.39 : x
  2. Step 2: Convert to fraction form
    3,104.42/4,655.91 = 1,855.39/x
  3. Step 3: Cross multiply
    3,104.42x = 4,655.91 × 1,855.39
  4. Step 4: Simplify right side
    3,104.42x = 8,638,528.85
  5. Step 5: Solve for x
    x = 8,638,528.85/3,104.42
  6. Step 6: Final answer
    x = 2,782.65

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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.