Home / 3,046.99-4,205.87-2,165.36

Finding the Fourth Proportional to 3,046.99, 4,205.87 and 2,165.36

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Solution

The fourth proportional to 3,046.99, 4,205.87 and 2,165.36 is: 2,988.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,046.99 : 4,205.87 = 2,165.36 : x
  2. Step 2: Convert to fraction form
    3,046.99/4,205.87 = 2,165.36/x
  3. Step 3: Cross multiply
    3,046.99x = 4,205.87 × 2,165.36
  4. Step 4: Simplify right side
    3,046.99x = 9,107,222.94
  5. Step 5: Solve for x
    x = 9,107,222.94/3,046.99
  6. Step 6: Final answer
    x = 2,988.92

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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.