Home / 1,643.14-2,268.17-1,204.53

Finding the Fourth Proportional to 1,643.14, 2,268.17 and 1,204.53

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Solution

The fourth proportional to 1,643.14, 2,268.17 and 1,204.53 is: 1,662.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643.14 : 2,268.17 = 1,204.53 : x
  2. Step 2: Convert to fraction form
    1,643.14/2,268.17 = 1,204.53/x
  3. Step 3: Cross multiply
    1,643.14x = 2,268.17 × 1,204.53
  4. Step 4: Simplify right side
    1,643.14x = 2,732,078.81
  5. Step 5: Solve for x
    x = 2,732,078.81/1,643.14
  6. Step 6: Final answer
    x = 1,662.72

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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.