Home / 3,367.05-4,643.78-2,186.07

Finding the Fourth Proportional to 3,367.05, 4,643.78 and 2,186.07

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Solution

The fourth proportional to 3,367.05, 4,643.78 and 2,186.07 is: 3,014.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,367.05 : 4,643.78 = 2,186.07 : x
  2. Step 2: Convert to fraction form
    3,367.05/4,643.78 = 2,186.07/x
  3. Step 3: Cross multiply
    3,367.05x = 4,643.78 × 2,186.07
  4. Step 4: Simplify right side
    3,367.05x = 10,151,617.21
  5. Step 5: Solve for x
    x = 10,151,617.21/3,367.05
  6. Step 6: Final answer
    x = 3,014.99

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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.