Home / 2,119.77-3,180.30-1,023.93

Finding the Fourth Proportional to 2,119.77, 3,180.30 and 1,023.93

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Solution

The fourth proportional to 2,119.77, 3,180.30 and 1,023.93 is: 1,536.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,119.77 : 3,180.30 = 1,023.93 : x
  2. Step 2: Convert to fraction form
    2,119.77/3,180.30 = 1,023.93/x
  3. Step 3: Cross multiply
    2,119.77x = 3,180.30 × 1,023.93
  4. Step 4: Simplify right side
    2,119.77x = 3,256,404.58
  5. Step 5: Solve for x
    x = 3,256,404.58/2,119.77
  6. Step 6: Final answer
    x = 1,536.21

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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.