Home / 3,243.18-4,857.45-1,941.90

Finding the Fourth Proportional to 3,243.18, 4,857.45 and 1,941.90

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Solution

The fourth proportional to 3,243.18, 4,857.45 and 1,941.90 is: 2,908.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,243.18 : 4,857.45 = 1,941.90 : x
  2. Step 2: Convert to fraction form
    3,243.18/4,857.45 = 1,941.90/x
  3. Step 3: Cross multiply
    3,243.18x = 4,857.45 × 1,941.90
  4. Step 4: Simplify right side
    3,243.18x = 9,432,682.16
  5. Step 5: Solve for x
    x = 9,432,682.16/3,243.18
  6. Step 6: Final answer
    x = 2,908.47

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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.