Home / 3,288.65-4,537.62-2,155.97

Finding the Fourth Proportional to 3,288.65, 4,537.62 and 2,155.97

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Solution

The fourth proportional to 3,288.65, 4,537.62 and 2,155.97 is: 2,974.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,288.65 : 4,537.62 = 2,155.97 : x
  2. Step 2: Convert to fraction form
    3,288.65/4,537.62 = 2,155.97/x
  3. Step 3: Cross multiply
    3,288.65x = 4,537.62 × 2,155.97
  4. Step 4: Simplify right side
    3,288.65x = 9,782,972.59
  5. Step 5: Solve for x
    x = 9,782,972.59/3,288.65
  6. Step 6: Final answer
    x = 2,974.77

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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.