Home / 3,941.94-5,913.26-1,130.79

Finding the Fourth Proportional to 3,941.94, 5,913.26 and 1,130.79

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Solution

The fourth proportional to 3,941.94, 5,913.26 and 1,130.79 is: 1,696.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,941.94 : 5,913.26 = 1,130.79 : x
  2. Step 2: Convert to fraction form
    3,941.94/5,913.26 = 1,130.79/x
  3. Step 3: Cross multiply
    3,941.94x = 5,913.26 × 1,130.79
  4. Step 4: Simplify right side
    3,941.94x = 6,686,649.62
  5. Step 5: Solve for x
    x = 6,686,649.62/3,941.94
  6. Step 6: Final answer
    x = 1,696.28

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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.