Home / 2,724.96-4,089.12-1,186.08

Finding the Fourth Proportional to 2,724.96, 4,089.12 and 1,186.08

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Solution

The fourth proportional to 2,724.96, 4,089.12 and 1,186.08 is: 1,779.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,724.96 : 4,089.12 = 1,186.08 : x
  2. Step 2: Convert to fraction form
    2,724.96/4,089.12 = 1,186.08/x
  3. Step 3: Cross multiply
    2,724.96x = 4,089.12 × 1,186.08
  4. Step 4: Simplify right side
    2,724.96x = 4,850,023.45
  5. Step 5: Solve for x
    x = 4,850,023.45/2,724.96
  6. Step 6: Final answer
    x = 1,779.85

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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.