Home / 2,933.10-4,046.67-1,989.90

Finding the Fourth Proportional to 2,933.10, 4,046.67 and 1,989.90

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Solution

The fourth proportional to 2,933.10, 4,046.67 and 1,989.90 is: 2,745.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,933.10 : 4,046.67 = 1,989.90 : x
  2. Step 2: Convert to fraction form
    2,933.10/4,046.67 = 1,989.90/x
  3. Step 3: Cross multiply
    2,933.10x = 4,046.67 × 1,989.90
  4. Step 4: Simplify right side
    2,933.10x = 8,052,468.63
  5. Step 5: Solve for x
    x = 8,052,468.63/2,933.10
  6. Step 6: Final answer
    x = 2,745.38

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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.