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Finding the Fourth Proportional to 3,633.53, 5,442.53 and 1,898.51

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Solution

The fourth proportional to 3,633.53, 5,442.53 and 1,898.51 is: 2,843.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,633.53 : 5,442.53 = 1,898.51 : x
  2. Step 2: Convert to fraction form
    3,633.53/5,442.53 = 1,898.51/x
  3. Step 3: Cross multiply
    3,633.53x = 5,442.53 × 1,898.51
  4. Step 4: Simplify right side
    3,633.53x = 10,332,660.93
  5. Step 5: Solve for x
    x = 10,332,660.93/3,633.53
  6. Step 6: Final answer
    x = 2,843.70

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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.