Home / 2,965.55-4,090.75-1,902.94

Finding the Fourth Proportional to 2,965.55, 4,090.75 and 1,902.94

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Solution

The fourth proportional to 2,965.55, 4,090.75 and 1,902.94 is: 2,624.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,965.55 : 4,090.75 = 1,902.94 : x
  2. Step 2: Convert to fraction form
    2,965.55/4,090.75 = 1,902.94/x
  3. Step 3: Cross multiply
    2,965.55x = 4,090.75 × 1,902.94
  4. Step 4: Simplify right side
    2,965.55x = 7,784,451.81
  5. Step 5: Solve for x
    x = 7,784,451.81/2,965.55
  6. Step 6: Final answer
    x = 2,624.96

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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.