Home / 1,962.31-2,941.92-1,344.13

Finding the Fourth Proportional to 1,962.31, 2,941.92 and 1,344.13

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Solution

The fourth proportional to 1,962.31, 2,941.92 and 1,344.13 is: 2,015.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,962.31 : 2,941.92 = 1,344.13 : x
  2. Step 2: Convert to fraction form
    1,962.31/2,941.92 = 1,344.13/x
  3. Step 3: Cross multiply
    1,962.31x = 2,941.92 × 1,344.13
  4. Step 4: Simplify right side
    1,962.31x = 3,954,322.93
  5. Step 5: Solve for x
    x = 3,954,322.93/1,962.31
  6. Step 6: Final answer
    x = 2,015.14

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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.