Home / 2,745.06-3,780.59-2,371.92

Finding the Fourth Proportional to 2,745.06, 3,780.59 and 2,371.92

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Solution

The fourth proportional to 2,745.06, 3,780.59 and 2,371.92 is: 3,266.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,745.06 : 3,780.59 = 2,371.92 : x
  2. Step 2: Convert to fraction form
    2,745.06/3,780.59 = 2,371.92/x
  3. Step 3: Cross multiply
    2,745.06x = 3,780.59 × 2,371.92
  4. Step 4: Simplify right side
    2,745.06x = 8,967,245.17
  5. Step 5: Solve for x
    x = 8,967,245.17/2,745.06
  6. Step 6: Final answer
    x = 3,266.68

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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.