Home / 2,676.80-4,012.46-1,117.65

Finding the Fourth Proportional to 2,676.80, 4,012.46 and 1,117.65

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Solution

The fourth proportional to 2,676.80, 4,012.46 and 1,117.65 is: 1,675.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,676.80 : 4,012.46 = 1,117.65 : x
  2. Step 2: Convert to fraction form
    2,676.80/4,012.46 = 1,117.65/x
  3. Step 3: Cross multiply
    2,676.80x = 4,012.46 × 1,117.65
  4. Step 4: Simplify right side
    2,676.80x = 4,484,520.14
  5. Step 5: Solve for x
    x = 4,484,520.14/2,676.80
  6. Step 6: Final answer
    x = 1,675.33

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1.5x scale

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.