Home / 3,411.36-4,707.78-2,216.64

Finding the Fourth Proportional to 3,411.36, 4,707.78 and 2,216.64

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Solution

The fourth proportional to 3,411.36, 4,707.78 and 2,216.64 is: 3,059.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,411.36 : 4,707.78 = 2,216.64 : x
  2. Step 2: Convert to fraction form
    3,411.36/4,707.78 = 2,216.64/x
  3. Step 3: Cross multiply
    3,411.36x = 4,707.78 × 2,216.64
  4. Step 4: Simplify right side
    3,411.36x = 10,435,453.46
  5. Step 5: Solve for x
    x = 10,435,453.46/3,411.36
  6. Step 6: Final answer
    x = 3,059.03

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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.