Home / 2,610.58-3,604.38-1,938.55

Finding the Fourth Proportional to 2,610.58, 3,604.38 and 1,938.55

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Solution

The fourth proportional to 2,610.58, 3,604.38 and 1,938.55 is: 2,676.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,610.58 : 3,604.38 = 1,938.55 : x
  2. Step 2: Convert to fraction form
    2,610.58/3,604.38 = 1,938.55/x
  3. Step 3: Cross multiply
    2,610.58x = 3,604.38 × 1,938.55
  4. Step 4: Simplify right side
    2,610.58x = 6,987,270.85
  5. Step 5: Solve for x
    x = 6,987,270.85/2,610.58
  6. Step 6: Final answer
    x = 2,676.52

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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.