Home / 3,035.44-4,188-1,855.30

Finding the Fourth Proportional to 3,035.44, 4,188 and 1,855.30

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Solution

The fourth proportional to 3,035.44, 4,188 and 1,855.30 is: 2,559.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,035.44 : 4,188 = 1,855.30 : x
  2. Step 2: Convert to fraction form
    3,035.44/4,188 = 1,855.30/x
  3. Step 3: Cross multiply
    3,035.44x = 4,188 × 1,855.30
  4. Step 4: Simplify right side
    3,035.44x = 7,769,996.40
  5. Step 5: Solve for x
    x = 7,769,996.40/3,035.44
  6. Step 6: Final answer
    x = 2,559.76

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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.