Home / 3,003.45-4,506.77-2,131.59

Finding the Fourth Proportional to 3,003.45, 4,506.77 and 2,131.59

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Solution

The fourth proportional to 3,003.45, 4,506.77 and 2,131.59 is: 3,198.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,003.45 : 4,506.77 = 2,131.59 : x
  2. Step 2: Convert to fraction form
    3,003.45/4,506.77 = 2,131.59/x
  3. Step 3: Cross multiply
    3,003.45x = 4,506.77 × 2,131.59
  4. Step 4: Simplify right side
    3,003.45x = 9,606,575.21
  5. Step 5: Solve for x
    x = 9,606,575.21/3,003.45
  6. Step 6: Final answer
    x = 3,198.51

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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.