Home / 4,018.35-6,031.41-1,939.81

Finding the Fourth Proportional to 4,018.35, 6,031.41 and 1,939.81

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Solution

The fourth proportional to 4,018.35, 6,031.41 and 1,939.81 is: 2,911.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,018.35 : 6,031.41 = 1,939.81 : x
  2. Step 2: Convert to fraction form
    4,018.35/6,031.41 = 1,939.81/x
  3. Step 3: Cross multiply
    4,018.35x = 6,031.41 × 1,939.81
  4. Step 4: Simplify right side
    4,018.35x = 11,699,794.81
  5. Step 5: Solve for x
    x = 11,699,794.81/4,018.35
  6. Step 6: Final answer
    x = 2,911.60

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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.