Home / 3,235.70-4,842.35-1,938.10

Finding the Fourth Proportional to 3,235.70, 4,842.35 and 1,938.10

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Solution

The fourth proportional to 3,235.70, 4,842.35 and 1,938.10 is: 2,900.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,235.70 : 4,842.35 = 1,938.10 : x
  2. Step 2: Convert to fraction form
    3,235.70/4,842.35 = 1,938.10/x
  3. Step 3: Cross multiply
    3,235.70x = 4,842.35 × 1,938.10
  4. Step 4: Simplify right side
    3,235.70x = 9,384,958.54
  5. Step 5: Solve for x
    x = 9,384,958.54/3,235.70
  6. Step 6: Final answer
    x = 2,900.44

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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.