Home / 2,455.13-3,682.70-2,021.38

Finding the Fourth Proportional to 2,455.13, 3,682.70 and 2,021.38

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Solution

The fourth proportional to 2,455.13, 3,682.70 and 2,021.38 is: 3,032.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,455.13 : 3,682.70 = 2,021.38 : x
  2. Step 2: Convert to fraction form
    2,455.13/3,682.70 = 2,021.38/x
  3. Step 3: Cross multiply
    2,455.13x = 3,682.70 × 2,021.38
  4. Step 4: Simplify right side
    2,455.13x = 7,444,124.39
  5. Step 5: Solve for x
    x = 7,444,124.39/2,455.13
  6. Step 6: Final answer
    x = 3,032.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.