Home / 3,513.96-4,847.58-2,189.21

Finding the Fourth Proportional to 3,513.96, 4,847.58 and 2,189.21

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Solution

The fourth proportional to 3,513.96, 4,847.58 and 2,189.21 is: 3,020.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,513.96 : 4,847.58 = 2,189.21 : x
  2. Step 2: Convert to fraction form
    3,513.96/4,847.58 = 2,189.21/x
  3. Step 3: Cross multiply
    3,513.96x = 4,847.58 × 2,189.21
  4. Step 4: Simplify right side
    3,513.96x = 10,612,346.37
  5. Step 5: Solve for x
    x = 10,612,346.37/3,513.96
  6. Step 6: Final answer
    x = 3,020.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.