Home / 1,785.72-2,675.01-1,633.44

Finding the Fourth Proportional to 1,785.72, 2,675.01 and 1,633.44

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Solution

The fourth proportional to 1,785.72, 2,675.01 and 1,633.44 is: 2,446.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,785.72 : 2,675.01 = 1,633.44 : x
  2. Step 2: Convert to fraction form
    1,785.72/2,675.01 = 1,633.44/x
  3. Step 3: Cross multiply
    1,785.72x = 2,675.01 × 1,633.44
  4. Step 4: Simplify right side
    1,785.72x = 4,369,468.33
  5. Step 5: Solve for x
    x = 4,369,468.33/1,785.72
  6. Step 6: Final answer
    x = 2,446.89

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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.