Home / 3,690.07-5,091.70-2,197.93

Finding the Fourth Proportional to 3,690.07, 5,091.70 and 2,197.93

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Solution

The fourth proportional to 3,690.07, 5,091.70 and 2,197.93 is: 3,032.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,690.07 : 5,091.70 = 2,197.93 : x
  2. Step 2: Convert to fraction form
    3,690.07/5,091.70 = 2,197.93/x
  3. Step 3: Cross multiply
    3,690.07x = 5,091.70 × 2,197.93
  4. Step 4: Simplify right side
    3,690.07x = 11,191,200.18
  5. Step 5: Solve for x
    x = 11,191,200.18/3,690.07
  6. Step 6: Final answer
    x = 3,032.79

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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.