Home / 3,576.63-4,935.81-2,005.09

Finding the Fourth Proportional to 3,576.63, 4,935.81 and 2,005.09

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Solution

The fourth proportional to 3,576.63, 4,935.81 and 2,005.09 is: 2,767.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,576.63 : 4,935.81 = 2,005.09 : x
  2. Step 2: Convert to fraction form
    3,576.63/4,935.81 = 2,005.09/x
  3. Step 3: Cross multiply
    3,576.63x = 4,935.81 × 2,005.09
  4. Step 4: Simplify right side
    3,576.63x = 9,896,743.27
  5. Step 5: Solve for x
    x = 9,896,743.27/3,576.63
  6. Step 6: Final answer
    x = 2,767.06

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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.