Home / 2,633.58-3,631.06-1,687.82

Finding the Fourth Proportional to 2,633.58, 3,631.06 and 1,687.82

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Solution

The fourth proportional to 2,633.58, 3,631.06 and 1,687.82 is: 2,327.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,633.58 : 3,631.06 = 1,687.82 : x
  2. Step 2: Convert to fraction form
    2,633.58/3,631.06 = 1,687.82/x
  3. Step 3: Cross multiply
    2,633.58x = 3,631.06 × 1,687.82
  4. Step 4: Simplify right side
    2,633.58x = 6,128,575.69
  5. Step 5: Solve for x
    x = 6,128,575.69/2,633.58
  6. Step 6: Final answer
    x = 2,327.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.