Home / 2,676.95-4,017.40-1,271.37

Finding the Fourth Proportional to 2,676.95, 4,017.40 and 1,271.37

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Solution

The fourth proportional to 2,676.95, 4,017.40 and 1,271.37 is: 1,908.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,676.95 : 4,017.40 = 1,271.37 : x
  2. Step 2: Convert to fraction form
    2,676.95/4,017.40 = 1,271.37/x
  3. Step 3: Cross multiply
    2,676.95x = 4,017.40 × 1,271.37
  4. Step 4: Simplify right side
    2,676.95x = 5,107,608.70
  5. Step 5: Solve for x
    x = 5,107,608.70/2,676.95
  6. Step 6: Final answer
    x = 1,908.00

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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.