Home / 3,814.31-5,263.83-2,135.67

Finding the Fourth Proportional to 3,814.31, 5,263.83 and 2,135.67

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Solution

The fourth proportional to 3,814.31, 5,263.83 and 2,135.67 is: 2,947.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,814.31 : 5,263.83 = 2,135.67 : x
  2. Step 2: Convert to fraction form
    3,814.31/5,263.83 = 2,135.67/x
  3. Step 3: Cross multiply
    3,814.31x = 5,263.83 × 2,135.67
  4. Step 4: Simplify right side
    3,814.31x = 11,241,803.82
  5. Step 5: Solve for x
    x = 11,241,803.82/3,814.31
  6. Step 6: Final answer
    x = 2,947.27

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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.