Home / 3,705.34-5,113.37-2,761.96

Finding the Fourth Proportional to 3,705.34, 5,113.37 and 2,761.96

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Solution

The fourth proportional to 3,705.34, 5,113.37 and 2,761.96 is: 3,811.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,705.34 : 5,113.37 = 2,761.96 : x
  2. Step 2: Convert to fraction form
    3,705.34/5,113.37 = 2,761.96/x
  3. Step 3: Cross multiply
    3,705.34x = 5,113.37 × 2,761.96
  4. Step 4: Simplify right side
    3,705.34x = 14,122,896.81
  5. Step 5: Solve for x
    x = 14,122,896.81/3,705.34
  6. Step 6: Final answer
    x = 3,811.50

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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.