Home / 3,108.36-4,662.74-1,159.91

Finding the Fourth Proportional to 3,108.36, 4,662.74 and 1,159.91

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Solution

The fourth proportional to 3,108.36, 4,662.74 and 1,159.91 is: 1,739.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108.36 : 4,662.74 = 1,159.91 : x
  2. Step 2: Convert to fraction form
    3,108.36/4,662.74 = 1,159.91/x
  3. Step 3: Cross multiply
    3,108.36x = 4,662.74 × 1,159.91
  4. Step 4: Simplify right side
    3,108.36x = 5,408,358.75
  5. Step 5: Solve for x
    x = 5,408,358.75/3,108.36
  6. Step 6: Final answer
    x = 1,739.94

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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.