Home / 2,940.36-4,401.89-2,575.86

Finding the Fourth Proportional to 2,940.36, 4,401.89 and 2,575.86

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Solution

The fourth proportional to 2,940.36, 4,401.89 and 2,575.86 is: 3,856.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,940.36 : 4,401.89 = 2,575.86 : x
  2. Step 2: Convert to fraction form
    2,940.36/4,401.89 = 2,575.86/x
  3. Step 3: Cross multiply
    2,940.36x = 4,401.89 × 2,575.86
  4. Step 4: Simplify right side
    2,940.36x = 11,338,639.50
  5. Step 5: Solve for x
    x = 11,338,639.50/2,940.36
  6. Step 6: Final answer
    x = 3,856.21

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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.