Home / 3,553.77-5,330.67-1,993.05

Finding the Fourth Proportional to 3,553.77, 5,330.67 and 1,993.05

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Solution

The fourth proportional to 3,553.77, 5,330.67 and 1,993.05 is: 2,989.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,553.77 : 5,330.67 = 1,993.05 : x
  2. Step 2: Convert to fraction form
    3,553.77/5,330.67 = 1,993.05/x
  3. Step 3: Cross multiply
    3,553.77x = 5,330.67 × 1,993.05
  4. Step 4: Simplify right side
    3,553.77x = 10,624,291.84
  5. Step 5: Solve for x
    x = 10,624,291.84/3,553.77
  6. Step 6: Final answer
    x = 2,989.58

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Double scale
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Similar ratio
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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.