Home / 1,739.44-2,609.98-1,089.82

Finding the Fourth Proportional to 1,739.44, 2,609.98 and 1,089.82

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Solution

The fourth proportional to 1,739.44, 2,609.98 and 1,089.82 is: 1,635.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,739.44 : 2,609.98 = 1,089.82 : x
  2. Step 2: Convert to fraction form
    1,739.44/2,609.98 = 1,089.82/x
  3. Step 3: Cross multiply
    1,739.44x = 2,609.98 × 1,089.82
  4. Step 4: Simplify right side
    1,739.44x = 2,844,408.40
  5. Step 5: Solve for x
    x = 2,844,408.40/1,739.44
  6. Step 6: Final answer
    x = 1,635.24

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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.