Home / 2,564.70-3,847.62-1,395.76

Finding the Fourth Proportional to 2,564.70, 3,847.62 and 1,395.76

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Solution

The fourth proportional to 2,564.70, 3,847.62 and 1,395.76 is: 2,093.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,564.70 : 3,847.62 = 1,395.76 : x
  2. Step 2: Convert to fraction form
    2,564.70/3,847.62 = 1,395.76/x
  3. Step 3: Cross multiply
    2,564.70x = 3,847.62 × 1,395.76
  4. Step 4: Simplify right side
    2,564.70x = 5,370,334.85
  5. Step 5: Solve for x
    x = 5,370,334.85/2,564.70
  6. Step 6: Final answer
    x = 2,093.94

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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.