Home / 2,579.10-3,868.46-1,262.34

Finding the Fourth Proportional to 2,579.10, 3,868.46 and 1,262.34

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Solution

The fourth proportional to 2,579.10, 3,868.46 and 1,262.34 is: 1,893.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,579.10 : 3,868.46 = 1,262.34 : x
  2. Step 2: Convert to fraction form
    2,579.10/3,868.46 = 1,262.34/x
  3. Step 3: Cross multiply
    2,579.10x = 3,868.46 × 1,262.34
  4. Step 4: Simplify right side
    2,579.10x = 4,883,311.80
  5. Step 5: Solve for x
    x = 4,883,311.80/2,579.10
  6. Step 6: Final answer
    x = 1,893.42

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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.