Home / 4,018.55-6,031.72-1,940.02

Finding the Fourth Proportional to 4,018.55, 6,031.72 and 1,940.02

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Solution

The fourth proportional to 4,018.55, 6,031.72 and 1,940.02 is: 2,911.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,018.55 : 6,031.72 = 1,940.02 : x
  2. Step 2: Convert to fraction form
    4,018.55/6,031.72 = 1,940.02/x
  3. Step 3: Cross multiply
    4,018.55x = 6,031.72 × 1,940.02
  4. Step 4: Simplify right side
    4,018.55x = 11,701,627.28
  5. Step 5: Solve for x
    x = 11,701,627.28/4,018.55
  6. Step 6: Final answer
    x = 2,911.90

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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.