Home / 3,851.39-5,775.93-1,077.38

Finding the Fourth Proportional to 3,851.39, 5,775.93 and 1,077.38

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Solution

The fourth proportional to 3,851.39, 5,775.93 and 1,077.38 is: 1,615.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,851.39 : 5,775.93 = 1,077.38 : x
  2. Step 2: Convert to fraction form
    3,851.39/5,775.93 = 1,077.38/x
  3. Step 3: Cross multiply
    3,851.39x = 5,775.93 × 1,077.38
  4. Step 4: Simplify right side
    3,851.39x = 6,222,885.90
  5. Step 5: Solve for x
    x = 6,222,885.90/3,851.39
  6. Step 6: Final answer
    x = 1,615.75

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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.