Home / 2,201.31-3,302.47-1,277.64

Finding the Fourth Proportional to 2,201.31, 3,302.47 and 1,277.64

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Solution

The fourth proportional to 2,201.31, 3,302.47 and 1,277.64 is: 1,916.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,201.31 : 3,302.47 = 1,277.64 : x
  2. Step 2: Convert to fraction form
    2,201.31/3,302.47 = 1,277.64/x
  3. Step 3: Cross multiply
    2,201.31x = 3,302.47 × 1,277.64
  4. Step 4: Simplify right side
    2,201.31x = 4,219,369.37
  5. Step 5: Solve for x
    x = 4,219,369.37/2,201.31
  6. Step 6: Final answer
    x = 1,916.75

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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.