Home / 3,266.10-4,508.16-1,940.31

Finding the Fourth Proportional to 3,266.10, 4,508.16 and 1,940.31

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Solution

The fourth proportional to 3,266.10, 4,508.16 and 1,940.31 is: 2,678.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,266.10 : 4,508.16 = 1,940.31 : x
  2. Step 2: Convert to fraction form
    3,266.10/4,508.16 = 1,940.31/x
  3. Step 3: Cross multiply
    3,266.10x = 4,508.16 × 1,940.31
  4. Step 4: Simplify right side
    3,266.10x = 8,747,227.93
  5. Step 5: Solve for x
    x = 8,747,227.93/3,266.10
  6. Step 6: Final answer
    x = 2,678.19

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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.