Home / 3,633.38-5,451.45-1,900.82

Finding the Fourth Proportional to 3,633.38, 5,451.45 and 1,900.82

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Solution

The fourth proportional to 3,633.38, 5,451.45 and 1,900.82 is: 2,851.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,633.38 : 5,451.45 = 1,900.82 : x
  2. Step 2: Convert to fraction form
    3,633.38/5,451.45 = 1,900.82/x
  3. Step 3: Cross multiply
    3,633.38x = 5,451.45 × 1,900.82
  4. Step 4: Simplify right side
    3,633.38x = 10,362,225.19
  5. Step 5: Solve for x
    x = 10,362,225.19/3,633.38
  6. Step 6: Final answer
    x = 2,851.95

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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.