Home / 3,090.96-4,263.84-2,654.64

Finding the Fourth Proportional to 3,090.96, 4,263.84 and 2,654.64

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Solution

The fourth proportional to 3,090.96, 4,263.84 and 2,654.64 is: 3,661.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.96 : 4,263.84 = 2,654.64 : x
  2. Step 2: Convert to fraction form
    3,090.96/4,263.84 = 2,654.64/x
  3. Step 3: Cross multiply
    3,090.96x = 4,263.84 × 2,654.64
  4. Step 4: Simplify right side
    3,090.96x = 11,318,960.22
  5. Step 5: Solve for x
    x = 11,318,960.22/3,090.96
  6. Step 6: Final answer
    x = 3,661.96

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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.