Home / 3,383.99-4,669.37-2,186.78

Finding the Fourth Proportional to 3,383.99, 4,669.37 and 2,186.78

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Solution

The fourth proportional to 3,383.99, 4,669.37 and 2,186.78 is: 3,017.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,383.99 : 4,669.37 = 2,186.78 : x
  2. Step 2: Convert to fraction form
    3,383.99/4,669.37 = 2,186.78/x
  3. Step 3: Cross multiply
    3,383.99x = 4,669.37 × 2,186.78
  4. Step 4: Simplify right side
    3,383.99x = 10,210,850.65
  5. Step 5: Solve for x
    x = 10,210,850.65/3,383.99
  6. Step 6: Final answer
    x = 3,017.40

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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.