Home / 3,292.60-4,940.14-1,213.99

Finding the Fourth Proportional to 3,292.60, 4,940.14 and 1,213.99

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Solution

The fourth proportional to 3,292.60, 4,940.14 and 1,213.99 is: 1,821.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,292.60 : 4,940.14 = 1,213.99 : x
  2. Step 2: Convert to fraction form
    3,292.60/4,940.14 = 1,213.99/x
  3. Step 3: Cross multiply
    3,292.60x = 4,940.14 × 1,213.99
  4. Step 4: Simplify right side
    3,292.60x = 5,997,267.45
  5. Step 5: Solve for x
    x = 5,997,267.45/3,292.60
  6. Step 6: Final answer
    x = 1,821.44

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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.