Home / 2,621.67-3,617.37-1,676.73

Finding the Fourth Proportional to 2,621.67, 3,617.37 and 1,676.73

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Solution

The fourth proportional to 2,621.67, 3,617.37 and 1,676.73 is: 2,313.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,621.67 : 3,617.37 = 1,676.73 : x
  2. Step 2: Convert to fraction form
    2,621.67/3,617.37 = 1,676.73/x
  3. Step 3: Cross multiply
    2,621.67x = 3,617.37 × 1,676.73
  4. Step 4: Simplify right side
    2,621.67x = 6,065,352.80
  5. Step 5: Solve for x
    x = 6,065,352.80/2,621.67
  6. Step 6: Final answer
    x = 2,313.55

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1.5x scale

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.