Home / 3,541.54-5,308.67-1,982.18

Finding the Fourth Proportional to 3,541.54, 5,308.67 and 1,982.18

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Solution

The fourth proportional to 3,541.54, 5,308.67 and 1,982.18 is: 2,971.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,541.54 : 5,308.67 = 1,982.18 : x
  2. Step 2: Convert to fraction form
    3,541.54/5,308.67 = 1,982.18/x
  3. Step 3: Cross multiply
    3,541.54x = 5,308.67 × 1,982.18
  4. Step 4: Simplify right side
    3,541.54x = 10,522,739.50
  5. Step 5: Solve for x
    x = 10,522,739.50/3,541.54
  6. Step 6: Final answer
    x = 2,971.23

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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.