Home / 3,504.80-5,257.37-1,423.73

Finding the Fourth Proportional to 3,504.80, 5,257.37 and 1,423.73

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Solution

The fourth proportional to 3,504.80, 5,257.37 and 1,423.73 is: 2,135.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,504.80 : 5,257.37 = 1,423.73 : x
  2. Step 2: Convert to fraction form
    3,504.80/5,257.37 = 1,423.73/x
  3. Step 3: Cross multiply
    3,504.80x = 5,257.37 × 1,423.73
  4. Step 4: Simplify right side
    3,504.80x = 7,485,075.39
  5. Step 5: Solve for x
    x = 7,485,075.39/3,504.80
  6. Step 6: Final answer
    x = 2,135.66

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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.