Home / 3,791.40-5,230.28-2,950.60

Finding the Fourth Proportional to 3,791.40, 5,230.28 and 2,950.60

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Solution

The fourth proportional to 3,791.40, 5,230.28 and 2,950.60 is: 4,070.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,791.40 : 5,230.28 = 2,950.60 : x
  2. Step 2: Convert to fraction form
    3,791.40/5,230.28 = 2,950.60/x
  3. Step 3: Cross multiply
    3,791.40x = 5,230.28 × 2,950.60
  4. Step 4: Simplify right side
    3,791.40x = 15,432,464.17
  5. Step 5: Solve for x
    x = 15,432,464.17/3,791.40
  6. Step 6: Final answer
    x = 4,070.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.