Home / 2,975.05-4,105.23-1,648.42

Finding the Fourth Proportional to 2,975.05, 4,105.23 and 1,648.42

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Solution

The fourth proportional to 2,975.05, 4,105.23 and 1,648.42 is: 2,274.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,975.05 : 4,105.23 = 1,648.42 : x
  2. Step 2: Convert to fraction form
    2,975.05/4,105.23 = 1,648.42/x
  3. Step 3: Cross multiply
    2,975.05x = 4,105.23 × 1,648.42
  4. Step 4: Simplify right side
    2,975.05x = 6,767,143.24
  5. Step 5: Solve for x
    x = 6,767,143.24/2,975.05
  6. Step 6: Final answer
    x = 2,274.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.