Home / 3,804.90-5,708.27-1,207.86

Finding the Fourth Proportional to 3,804.90, 5,708.27 and 1,207.86

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Solution

The fourth proportional to 3,804.90, 5,708.27 and 1,207.86 is: 1,812.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,804.90 : 5,708.27 = 1,207.86 : x
  2. Step 2: Convert to fraction form
    3,804.90/5,708.27 = 1,207.86/x
  3. Step 3: Cross multiply
    3,804.90x = 5,708.27 × 1,207.86
  4. Step 4: Simplify right side
    3,804.90x = 6,894,791.00
  5. Step 5: Solve for x
    x = 6,894,791.00/3,804.90
  6. Step 6: Final answer
    x = 1,812.08

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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.