Home / 2,201.36-3,038.48-1,257.63

Finding the Fourth Proportional to 2,201.36, 3,038.48 and 1,257.63

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Solution

The fourth proportional to 2,201.36, 3,038.48 and 1,257.63 is: 1,735.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,201.36 : 3,038.48 = 1,257.63 : x
  2. Step 2: Convert to fraction form
    2,201.36/3,038.48 = 1,257.63/x
  3. Step 3: Cross multiply
    2,201.36x = 3,038.48 × 1,257.63
  4. Step 4: Simplify right side
    2,201.36x = 3,821,277.31
  5. Step 5: Solve for x
    x = 3,821,277.31/2,201.36
  6. Step 6: Final answer
    x = 1,735.88

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1.5x scale

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.