Home / 3,895.56-5,840.78-1,814.45

Finding the Fourth Proportional to 3,895.56, 5,840.78 and 1,814.45

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Solution

The fourth proportional to 3,895.56, 5,840.78 and 1,814.45 is: 2,720.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,895.56 : 5,840.78 = 1,814.45 : x
  2. Step 2: Convert to fraction form
    3,895.56/5,840.78 = 1,814.45/x
  3. Step 3: Cross multiply
    3,895.56x = 5,840.78 × 1,814.45
  4. Step 4: Simplify right side
    3,895.56x = 10,597,764.99
  5. Step 5: Solve for x
    x = 10,597,764.99/3,895.56
  6. Step 6: Final answer
    x = 2,720.47

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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.