Home / 1,727.60-2,371.12-1,579.28

Finding the Fourth Proportional to 1,727.60, 2,371.12 and 1,579.28

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Solution

The fourth proportional to 1,727.60, 2,371.12 and 1,579.28 is: 2,167.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,727.60 : 2,371.12 = 1,579.28 : x
  2. Step 2: Convert to fraction form
    1,727.60/2,371.12 = 1,579.28/x
  3. Step 3: Cross multiply
    1,727.60x = 2,371.12 × 1,579.28
  4. Step 4: Simplify right side
    1,727.60x = 3,744,662.39
  5. Step 5: Solve for x
    x = 3,744,662.39/1,727.60
  6. Step 6: Final answer
    x = 2,167.55

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.