Home / 3,312.05-4,971.41-2,939.24

Finding the Fourth Proportional to 3,312.05, 4,971.41 and 2,939.24

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Solution

The fourth proportional to 3,312.05, 4,971.41 and 2,939.24 is: 4,411.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,312.05 : 4,971.41 = 2,939.24 : x
  2. Step 2: Convert to fraction form
    3,312.05/4,971.41 = 2,939.24/x
  3. Step 3: Cross multiply
    3,312.05x = 4,971.41 × 2,939.24
  4. Step 4: Simplify right side
    3,312.05x = 14,612,175.88
  5. Step 5: Solve for x
    x = 14,612,175.88/3,312.05
  6. Step 6: Final answer
    x = 4,411.83

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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.