Home / 3,505.96-5,249.58-3,090.76

Finding the Fourth Proportional to 3,505.96, 5,249.58 and 3,090.76

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Solution

The fourth proportional to 3,505.96, 5,249.58 and 3,090.76 is: 4,627.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,505.96 : 5,249.58 = 3,090.76 : x
  2. Step 2: Convert to fraction form
    3,505.96/5,249.58 = 3,090.76/x
  3. Step 3: Cross multiply
    3,505.96x = 5,249.58 × 3,090.76
  4. Step 4: Simplify right side
    3,505.96x = 16,225,191.88
  5. Step 5: Solve for x
    x = 16,225,191.88/3,505.96
  6. Step 6: Final answer
    x = 4,627.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.