Home / 3,533.80-5,300.70-1,997.80

Finding the Fourth Proportional to 3,533.80, 5,300.70 and 1,997.80

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Solution

The fourth proportional to 3,533.80, 5,300.70 and 1,997.80 is: 2,996.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,533.80 : 5,300.70 = 1,997.80 : x
  2. Step 2: Convert to fraction form
    3,533.80/5,300.70 = 1,997.80/x
  3. Step 3: Cross multiply
    3,533.80x = 5,300.70 × 1,997.80
  4. Step 4: Simplify right side
    3,533.80x = 10,589,738.46
  5. Step 5: Solve for x
    x = 10,589,738.46/3,533.80
  6. Step 6: Final answer
    x = 2,996.70

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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.