Home / 2,179.12-3,007.14-1,184.36

Finding the Fourth Proportional to 2,179.12, 3,007.14 and 1,184.36

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Solution

The fourth proportional to 2,179.12, 3,007.14 and 1,184.36 is: 1,634.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179.12 : 3,007.14 = 1,184.36 : x
  2. Step 2: Convert to fraction form
    2,179.12/3,007.14 = 1,184.36/x
  3. Step 3: Cross multiply
    2,179.12x = 3,007.14 × 1,184.36
  4. Step 4: Simplify right side
    2,179.12x = 3,561,536.33
  5. Step 5: Solve for x
    x = 3,561,536.33/2,179.12
  6. Step 6: Final answer
    x = 1,634.39

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1.5x scale

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.