Home / 3,364.72-4,643.42-2,105.37

Finding the Fourth Proportional to 3,364.72, 4,643.42 and 2,105.37

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Solution

The fourth proportional to 3,364.72, 4,643.42 and 2,105.37 is: 2,905.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,364.72 : 4,643.42 = 2,105.37 : x
  2. Step 2: Convert to fraction form
    3,364.72/4,643.42 = 2,105.37/x
  3. Step 3: Cross multiply
    3,364.72x = 4,643.42 × 2,105.37
  4. Step 4: Simplify right side
    3,364.72x = 9,776,106.64
  5. Step 5: Solve for x
    x = 9,776,106.64/3,364.72
  6. Step 6: Final answer
    x = 2,905.48

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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.