Home / 2,745.18-4,112.96-2,285.92

Finding the Fourth Proportional to 2,745.18, 4,112.96 and 2,285.92

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Solution

The fourth proportional to 2,745.18, 4,112.96 and 2,285.92 is: 3,424.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,745.18 : 4,112.96 = 2,285.92 : x
  2. Step 2: Convert to fraction form
    2,745.18/4,112.96 = 2,285.92/x
  3. Step 3: Cross multiply
    2,745.18x = 4,112.96 × 2,285.92
  4. Step 4: Simplify right side
    2,745.18x = 9,401,897.52
  5. Step 5: Solve for x
    x = 9,401,897.52/2,745.18
  6. Step 6: Final answer
    x = 3,424.87

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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.