Home / 3,540.98-5,315.57-1,900.73

Finding the Fourth Proportional to 3,540.98, 5,315.57 and 1,900.73

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Solution

The fourth proportional to 3,540.98, 5,315.57 and 1,900.73 is: 2,853.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,540.98 : 5,315.57 = 1,900.73 : x
  2. Step 2: Convert to fraction form
    3,540.98/5,315.57 = 1,900.73/x
  3. Step 3: Cross multiply
    3,540.98x = 5,315.57 × 1,900.73
  4. Step 4: Simplify right side
    3,540.98x = 10,103,463.37
  5. Step 5: Solve for x
    x = 10,103,463.37/3,540.98
  6. Step 6: Final answer
    x = 2,853.30

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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.