Home / 2,201.65-3,038.62-1,257.44

Finding the Fourth Proportional to 2,201.65, 3,038.62 and 1,257.44

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Solution

The fourth proportional to 2,201.65, 3,038.62 and 1,257.44 is: 1,735.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,201.65 : 3,038.62 = 1,257.44 : x
  2. Step 2: Convert to fraction form
    2,201.65/3,038.62 = 1,257.44/x
  3. Step 3: Cross multiply
    2,201.65x = 3,038.62 × 1,257.44
  4. Step 4: Simplify right side
    2,201.65x = 3,820,882.33
  5. Step 5: Solve for x
    x = 3,820,882.33/2,201.65
  6. Step 6: Final answer
    x = 1,735.46

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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.