Home / 3,927.40-5,891.60-1,295.18

Finding the Fourth Proportional to 3,927.40, 5,891.60 and 1,295.18

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Solution

The fourth proportional to 3,927.40, 5,891.60 and 1,295.18 is: 1,942.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,927.40 : 5,891.60 = 1,295.18 : x
  2. Step 2: Convert to fraction form
    3,927.40/5,891.60 = 1,295.18/x
  3. Step 3: Cross multiply
    3,927.40x = 5,891.60 × 1,295.18
  4. Step 4: Simplify right side
    3,927.40x = 7,630,656.27
  5. Step 5: Solve for x
    x = 7,630,656.27/3,927.40
  6. Step 6: Final answer
    x = 1,942.93

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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.