Home / 2,190.73-3,007.13-1,936.50

Finding the Fourth Proportional to 2,190.73, 3,007.13 and 1,936.50

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Solution

The fourth proportional to 2,190.73, 3,007.13 and 1,936.50 is: 2,658.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190.73 : 3,007.13 = 1,936.50 : x
  2. Step 2: Convert to fraction form
    2,190.73/3,007.13 = 1,936.50/x
  3. Step 3: Cross multiply
    2,190.73x = 3,007.13 × 1,936.50
  4. Step 4: Simplify right side
    2,190.73x = 5,823,307.25
  5. Step 5: Solve for x
    x = 5,823,307.25/2,190.73
  6. Step 6: Final answer
    x = 2,658.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.