Home / 2,119.37-3,180.06-1,023.12

Finding the Fourth Proportional to 2,119.37, 3,180.06 and 1,023.12

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Solution

The fourth proportional to 2,119.37, 3,180.06 and 1,023.12 is: 1,535.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,119.37 : 3,180.06 = 1,023.12 : x
  2. Step 2: Convert to fraction form
    2,119.37/3,180.06 = 1,023.12/x
  3. Step 3: Cross multiply
    2,119.37x = 3,180.06 × 1,023.12
  4. Step 4: Simplify right side
    2,119.37x = 3,253,582.99
  5. Step 5: Solve for x
    x = 3,253,582.99/2,119.37
  6. Step 6: Final answer
    x = 1,535.17

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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.