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Finding the Fourth Proportional to 3,292.83, 4,939.41 and 1,830.89

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Solution

The fourth proportional to 3,292.83, 4,939.41 and 1,830.89 is: 2,746.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,292.83 : 4,939.41 = 1,830.89 : x
  2. Step 2: Convert to fraction form
    3,292.83/4,939.41 = 1,830.89/x
  3. Step 3: Cross multiply
    3,292.83x = 4,939.41 × 1,830.89
  4. Step 4: Simplify right side
    3,292.83x = 9,043,491.68
  5. Step 5: Solve for x
    x = 9,043,491.68/3,292.83
  6. Step 6: Final answer
    x = 2,746.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.