Home / 3,693.44-5,097.42-2,121.50

Finding the Fourth Proportional to 3,693.44, 5,097.42 and 2,121.50

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Solution

The fourth proportional to 3,693.44, 5,097.42 and 2,121.50 is: 2,927.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,693.44 : 5,097.42 = 2,121.50 : x
  2. Step 2: Convert to fraction form
    3,693.44/5,097.42 = 2,121.50/x
  3. Step 3: Cross multiply
    3,693.44x = 5,097.42 × 2,121.50
  4. Step 4: Simplify right side
    3,693.44x = 10,814,176.53
  5. Step 5: Solve for x
    x = 10,814,176.53/3,693.44
  6. Step 6: Final answer
    x = 2,927.94

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1.5x scale

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.