Home / 3,363.78-4,644.05-2,106.71

Finding the Fourth Proportional to 3,363.78, 4,644.05 and 2,106.71

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Solution

The fourth proportional to 3,363.78, 4,644.05 and 2,106.71 is: 2,908.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,363.78 : 4,644.05 = 2,106.71 : x
  2. Step 2: Convert to fraction form
    3,363.78/4,644.05 = 2,106.71/x
  3. Step 3: Cross multiply
    3,363.78x = 4,644.05 × 2,106.71
  4. Step 4: Simplify right side
    3,363.78x = 9,783,632.82
  5. Step 5: Solve for x
    x = 9,783,632.82/3,363.78
  6. Step 6: Final answer
    x = 2,908.52

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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.