Home / 3,941.53-5,913.15-1,309.84

Finding the Fourth Proportional to 3,941.53, 5,913.15 and 1,309.84

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Solution

The fourth proportional to 3,941.53, 5,913.15 and 1,309.84 is: 1,965.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,941.53 : 5,913.15 = 1,309.84 : x
  2. Step 2: Convert to fraction form
    3,941.53/5,913.15 = 1,309.84/x
  3. Step 3: Cross multiply
    3,941.53x = 5,913.15 × 1,309.84
  4. Step 4: Simplify right side
    3,941.53x = 7,745,268.07
  5. Step 5: Solve for x
    x = 7,745,268.07/3,941.53
  6. Step 6: Final answer
    x = 1,965.04

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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.