Home / 2,197.56-3,274.80-2,137.41

Finding the Fourth Proportional to 2,197.56, 3,274.80 and 2,137.41

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Solution

The fourth proportional to 2,197.56, 3,274.80 and 2,137.41 is: 3,185.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,197.56 : 3,274.80 = 2,137.41 : x
  2. Step 2: Convert to fraction form
    2,197.56/3,274.80 = 2,137.41/x
  3. Step 3: Cross multiply
    2,197.56x = 3,274.80 × 2,137.41
  4. Step 4: Simplify right side
    2,197.56x = 6,999,590.27
  5. Step 5: Solve for x
    x = 6,999,590.27/2,197.56
  6. Step 6: Final answer
    x = 3,185.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.