Home / 1,743.40-2,627.92-1,643.02

Finding the Fourth Proportional to 1,743.40, 2,627.92 and 1,643.02

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Solution

The fourth proportional to 1,743.40, 2,627.92 and 1,643.02 is: 2,476.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,743.40 : 2,627.92 = 1,643.02 : x
  2. Step 2: Convert to fraction form
    1,743.40/2,627.92 = 1,643.02/x
  3. Step 3: Cross multiply
    1,743.40x = 2,627.92 × 1,643.02
  4. Step 4: Simplify right side
    1,743.40x = 4,317,725.12
  5. Step 5: Solve for x
    x = 4,317,725.12/1,743.40
  6. Step 6: Final answer
    x = 2,476.61

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.