Home / 3,555-4,904.73-2,229.48

Finding the Fourth Proportional to 3,555, 4,904.73 and 2,229.48

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Solution

The fourth proportional to 3,555, 4,904.73 and 2,229.48 is: 3,075.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555 : 4,904.73 = 2,229.48 : x
  2. Step 2: Convert to fraction form
    3,555/4,904.73 = 2,229.48/x
  3. Step 3: Cross multiply
    3,555x = 4,904.73 × 2,229.48
  4. Step 4: Simplify right side
    3,555x = 10,934,997.44
  5. Step 5: Solve for x
    x = 10,934,997.44/3,555
  6. Step 6: Final answer
    x = 3,075.95

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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.