Home / 2,201.61-3,038.29-1,206.94

Finding the Fourth Proportional to 2,201.61, 3,038.29 and 1,206.94

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Solution

The fourth proportional to 2,201.61, 3,038.29 and 1,206.94 is: 1,665.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,201.61 : 3,038.29 = 1,206.94 : x
  2. Step 2: Convert to fraction form
    2,201.61/3,038.29 = 1,206.94/x
  3. Step 3: Cross multiply
    2,201.61x = 3,038.29 × 1,206.94
  4. Step 4: Simplify right side
    2,201.61x = 3,667,033.73
  5. Step 5: Solve for x
    x = 3,667,033.73/2,201.61
  6. Step 6: Final answer
    x = 1,665.61

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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.