Home / 2,975.43-4,103.91-2,137.00

Finding the Fourth Proportional to 2,975.43, 4,103.91 and 2,137.00

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Solution

The fourth proportional to 2,975.43, 4,103.91 and 2,137.00 is: 2,947.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,975.43 : 4,103.91 = 2,137.00 : x
  2. Step 2: Convert to fraction form
    2,975.43/4,103.91 = 2,137.00/x
  3. Step 3: Cross multiply
    2,975.43x = 4,103.91 × 2,137.00
  4. Step 4: Simplify right side
    2,975.43x = 8,770,045.41
  5. Step 5: Solve for x
    x = 8,770,045.41/2,975.43
  6. Step 6: Final answer
    x = 2,947.49

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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.