Home / 3,703.08-5,109.78-2,211.37

Finding the Fourth Proportional to 3,703.08, 5,109.78 and 2,211.37

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Solution

The fourth proportional to 3,703.08, 5,109.78 and 2,211.37 is: 3,051.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,703.08 : 5,109.78 = 2,211.37 : x
  2. Step 2: Convert to fraction form
    3,703.08/5,109.78 = 2,211.37/x
  3. Step 3: Cross multiply
    3,703.08x = 5,109.78 × 2,211.37
  4. Step 4: Simplify right side
    3,703.08x = 11,299,609.72
  5. Step 5: Solve for x
    x = 11,299,609.72/3,703.08
  6. Step 6: Final answer
    x = 3,051.41

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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.