Home / 3,051.81-4,579.61-1,105.38

Finding the Fourth Proportional to 3,051.81, 4,579.61 and 1,105.38

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Solution

The fourth proportional to 3,051.81, 4,579.61 and 1,105.38 is: 1,658.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,051.81 : 4,579.61 = 1,105.38 : x
  2. Step 2: Convert to fraction form
    3,051.81/4,579.61 = 1,105.38/x
  3. Step 3: Cross multiply
    3,051.81x = 4,579.61 × 1,105.38
  4. Step 4: Simplify right side
    3,051.81x = 5,062,203.77
  5. Step 5: Solve for x
    x = 5,062,203.77/3,051.81
  6. Step 6: Final answer
    x = 1,658.75

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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.