Home / 2,745.76-3,785.52-2,371.96

Finding the Fourth Proportional to 2,745.76, 3,785.52 and 2,371.96

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Solution

The fourth proportional to 2,745.76, 3,785.52 and 2,371.96 is: 3,270.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,745.76 : 3,785.52 = 2,371.96 : x
  2. Step 2: Convert to fraction form
    2,745.76/3,785.52 = 2,371.96/x
  3. Step 3: Cross multiply
    2,745.76x = 3,785.52 × 2,371.96
  4. Step 4: Simplify right side
    2,745.76x = 8,979,102.02
  5. Step 5: Solve for x
    x = 8,979,102.02/2,745.76
  6. Step 6: Final answer
    x = 3,270.17

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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.