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Finding the Fourth Proportional to 2,676.84, 4,011.48 and 1,977.99

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Solution

The fourth proportional to 2,676.84, 4,011.48 and 1,977.99 is: 2,964.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,676.84 : 4,011.48 = 1,977.99 : x
  2. Step 2: Convert to fraction form
    2,676.84/4,011.48 = 1,977.99/x
  3. Step 3: Cross multiply
    2,676.84x = 4,011.48 × 1,977.99
  4. Step 4: Simplify right side
    2,676.84x = 7,934,667.33
  5. Step 5: Solve for x
    x = 7,934,667.33/2,676.84
  6. Step 6: Final answer
    x = 2,964.19

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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.