Home / 3,701.64-5,112.70-2,705.32

Finding the Fourth Proportional to 3,701.64, 5,112.70 and 2,705.32

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Solution

The fourth proportional to 3,701.64, 5,112.70 and 2,705.32 is: 3,736.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,701.64 : 5,112.70 = 2,705.32 : x
  2. Step 2: Convert to fraction form
    3,701.64/5,112.70 = 2,705.32/x
  3. Step 3: Cross multiply
    3,701.64x = 5,112.70 × 2,705.32
  4. Step 4: Simplify right side
    3,701.64x = 13,831,489.56
  5. Step 5: Solve for x
    x = 13,831,489.56/3,701.64
  6. Step 6: Final answer
    x = 3,736.58

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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.