Home / 3,290.22-4,935.36-1,902.54

Finding the Fourth Proportional to 3,290.22, 4,935.36 and 1,902.54

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Solution

The fourth proportional to 3,290.22, 4,935.36 and 1,902.54 is: 2,853.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,290.22 : 4,935.36 = 1,902.54 : x
  2. Step 2: Convert to fraction form
    3,290.22/4,935.36 = 1,902.54/x
  3. Step 3: Cross multiply
    3,290.22x = 4,935.36 × 1,902.54
  4. Step 4: Simplify right side
    3,290.22x = 9,389,719.81
  5. Step 5: Solve for x
    x = 9,389,719.81/3,290.22
  6. Step 6: Final answer
    x = 2,853.83

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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.