Home / 3,409.38-4,706.37-2,216.07

Finding the Fourth Proportional to 3,409.38, 4,706.37 and 2,216.07

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Solution

The fourth proportional to 3,409.38, 4,706.37 and 2,216.07 is: 3,059.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,409.38 : 4,706.37 = 2,216.07 : x
  2. Step 2: Convert to fraction form
    3,409.38/4,706.37 = 2,216.07/x
  3. Step 3: Cross multiply
    3,409.38x = 4,706.37 × 2,216.07
  4. Step 4: Simplify right side
    3,409.38x = 10,429,645.37
  5. Step 5: Solve for x
    x = 10,429,645.37/3,409.38
  6. Step 6: Final answer
    x = 3,059.10

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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.