Home / 2,820.27-4,231.50-1,176.39

Finding the Fourth Proportional to 2,820.27, 4,231.50 and 1,176.39

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Solution

The fourth proportional to 2,820.27, 4,231.50 and 1,176.39 is: 1,765.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,820.27 : 4,231.50 = 1,176.39 : x
  2. Step 2: Convert to fraction form
    2,820.27/4,231.50 = 1,176.39/x
  3. Step 3: Cross multiply
    2,820.27x = 4,231.50 × 1,176.39
  4. Step 4: Simplify right side
    2,820.27x = 4,977,894.29
  5. Step 5: Solve for x
    x = 4,977,894.29/2,820.27
  6. Step 6: Final answer
    x = 1,765.04

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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.