Home / 2,725.04-4,087.60-1,186

Finding the Fourth Proportional to 2,725.04, 4,087.60 and 1,186

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Solution

The fourth proportional to 2,725.04, 4,087.60 and 1,186 is: 1,779.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,725.04 : 4,087.60 = 1,186 : x
  2. Step 2: Convert to fraction form
    2,725.04/4,087.60 = 1,186/x
  3. Step 3: Cross multiply
    2,725.04x = 4,087.60 × 1,186
  4. Step 4: Simplify right side
    2,725.04x = 4,847,893.60
  5. Step 5: Solve for x
    x = 4,847,893.60/2,725.04
  6. Step 6: Final answer
    x = 1,779.02

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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.