Home / 2,735.60-4,104.77-1,275.80

Finding the Fourth Proportional to 2,735.60, 4,104.77 and 1,275.80

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Solution

The fourth proportional to 2,735.60, 4,104.77 and 1,275.80 is: 1,914.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,735.60 : 4,104.77 = 1,275.80 : x
  2. Step 2: Convert to fraction form
    2,735.60/4,104.77 = 1,275.80/x
  3. Step 3: Cross multiply
    2,735.60x = 4,104.77 × 1,275.80
  4. Step 4: Simplify right side
    2,735.60x = 5,236,838.66
  5. Step 5: Solve for x
    x = 5,236,838.66/2,735.60
  6. Step 6: Final answer
    x = 1,914.33

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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.