Home / 3,622.54-5,431.61-1,771.34

Finding the Fourth Proportional to 3,622.54, 5,431.61 and 1,771.34

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Solution

The fourth proportional to 3,622.54, 5,431.61 and 1,771.34 is: 2,655.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622.54 : 5,431.61 = 1,771.34 : x
  2. Step 2: Convert to fraction form
    3,622.54/5,431.61 = 1,771.34/x
  3. Step 3: Cross multiply
    3,622.54x = 5,431.61 × 1,771.34
  4. Step 4: Simplify right side
    3,622.54x = 9,621,195.36
  5. Step 5: Solve for x
    x = 9,621,195.36/3,622.54
  6. Step 6: Final answer
    x = 2,655.93

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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.