Home / 2,021.05-3,028.76-1,130.77

Finding the Fourth Proportional to 2,021.05, 3,028.76 and 1,130.77

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Solution

The fourth proportional to 2,021.05, 3,028.76 and 1,130.77 is: 1,694.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021.05 : 3,028.76 = 1,130.77 : x
  2. Step 2: Convert to fraction form
    2,021.05/3,028.76 = 1,130.77/x
  3. Step 3: Cross multiply
    2,021.05x = 3,028.76 × 1,130.77
  4. Step 4: Simplify right side
    2,021.05x = 3,424,841.34
  5. Step 5: Solve for x
    x = 3,424,841.34/2,021.05
  6. Step 6: Final answer
    x = 1,694.58

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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.