Home / 3,554.85-4,908.80-2,230.85

Finding the Fourth Proportional to 3,554.85, 4,908.80 and 2,230.85

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Solution

The fourth proportional to 3,554.85, 4,908.80 and 2,230.85 is: 3,080.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,554.85 : 4,908.80 = 2,230.85 : x
  2. Step 2: Convert to fraction form
    3,554.85/4,908.80 = 2,230.85/x
  3. Step 3: Cross multiply
    3,554.85x = 4,908.80 × 2,230.85
  4. Step 4: Simplify right side
    3,554.85x = 10,950,760.78
  5. Step 5: Solve for x
    x = 10,950,760.78/3,554.85
  6. Step 6: Final answer
    x = 3,080.51

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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.