Home / 3,620.36-5,427.66-1,671.56

Finding the Fourth Proportional to 3,620.36, 5,427.66 and 1,671.56

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Solution

The fourth proportional to 3,620.36, 5,427.66 and 1,671.56 is: 2,506.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,620.36 : 5,427.66 = 1,671.56 : x
  2. Step 2: Convert to fraction form
    3,620.36/5,427.66 = 1,671.56/x
  3. Step 3: Cross multiply
    3,620.36x = 5,427.66 × 1,671.56
  4. Step 4: Simplify right side
    3,620.36x = 9,072,659.35
  5. Step 5: Solve for x
    x = 9,072,659.35/3,620.36
  6. Step 6: Final answer
    x = 2,506.01

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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.