Home / 3,164.16-4,745.79-1,520.27

Finding the Fourth Proportional to 3,164.16, 4,745.79 and 1,520.27

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Solution

The fourth proportional to 3,164.16, 4,745.79 and 1,520.27 is: 2,280.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,164.16 : 4,745.79 = 1,520.27 : x
  2. Step 2: Convert to fraction form
    3,164.16/4,745.79 = 1,520.27/x
  3. Step 3: Cross multiply
    3,164.16x = 4,745.79 × 1,520.27
  4. Step 4: Simplify right side
    3,164.16x = 7,214,876.23
  5. Step 5: Solve for x
    x = 7,214,876.23/3,164.16
  6. Step 6: Final answer
    x = 2,280.18

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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.