Home / 3,858.87-5,762.49-3,027.81

Finding the Fourth Proportional to 3,858.87, 5,762.49 and 3,027.81

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Solution

The fourth proportional to 3,858.87, 5,762.49 and 3,027.81 is: 4,521.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,858.87 : 5,762.49 = 3,027.81 : x
  2. Step 2: Convert to fraction form
    3,858.87/5,762.49 = 3,027.81/x
  3. Step 3: Cross multiply
    3,858.87x = 5,762.49 × 3,027.81
  4. Step 4: Simplify right side
    3,858.87x = 17,447,724.85
  5. Step 5: Solve for x
    x = 17,447,724.85/3,858.87
  6. Step 6: Final answer
    x = 4,521.46

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.