Home / 3,874.15-5,810.35-1,100.76

Finding the Fourth Proportional to 3,874.15, 5,810.35 and 1,100.76

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Solution

The fourth proportional to 3,874.15, 5,810.35 and 1,100.76 is: 1,650.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,874.15 : 5,810.35 = 1,100.76 : x
  2. Step 2: Convert to fraction form
    3,874.15/5,810.35 = 1,100.76/x
  3. Step 3: Cross multiply
    3,874.15x = 5,810.35 × 1,100.76
  4. Step 4: Simplify right side
    3,874.15x = 6,395,800.87
  5. Step 5: Solve for x
    x = 6,395,800.87/3,874.15
  6. Step 6: Final answer
    x = 1,650.89

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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.