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Finding the Fourth Proportional to 3,676.93, 5,055.48 and 3,274.86

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Solution

The fourth proportional to 3,676.93, 5,055.48 and 3,274.86 is: 4,502.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,676.93 : 5,055.48 = 3,274.86 : x
  2. Step 2: Convert to fraction form
    3,676.93/5,055.48 = 3,274.86/x
  3. Step 3: Cross multiply
    3,676.93x = 5,055.48 × 3,274.86
  4. Step 4: Simplify right side
    3,676.93x = 16,556,008.19
  5. Step 5: Solve for x
    x = 16,556,008.19/3,676.93
  6. Step 6: Final answer
    x = 4,502.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.