Home / 1,941.11-2,679.63-1,144.18

Finding the Fourth Proportional to 1,941.11, 2,679.63 and 1,144.18

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Solution

The fourth proportional to 1,941.11, 2,679.63 and 1,144.18 is: 1,579.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941.11 : 2,679.63 = 1,144.18 : x
  2. Step 2: Convert to fraction form
    1,941.11/2,679.63 = 1,144.18/x
  3. Step 3: Cross multiply
    1,941.11x = 2,679.63 × 1,144.18
  4. Step 4: Simplify right side
    1,941.11x = 3,065,969.48
  5. Step 5: Solve for x
    x = 3,065,969.48/1,941.11
  6. Step 6: Final answer
    x = 1,579.49

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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.