Home / 2,011.58-3,018.40-1,179.84

Finding the Fourth Proportional to 2,011.58, 3,018.40 and 1,179.84

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Solution

The fourth proportional to 2,011.58, 3,018.40 and 1,179.84 is: 1,770.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,011.58 : 3,018.40 = 1,179.84 : x
  2. Step 2: Convert to fraction form
    2,011.58/3,018.40 = 1,179.84/x
  3. Step 3: Cross multiply
    2,011.58x = 3,018.40 × 1,179.84
  4. Step 4: Simplify right side
    2,011.58x = 3,561,233.91
  5. Step 5: Solve for x
    x = 3,561,233.91/2,011.58
  6. Step 6: Final answer
    x = 1,770.36

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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.