Home / 2,707.20-3,735.68-1,512.18

Finding the Fourth Proportional to 2,707.20, 3,735.68 and 1,512.18

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Solution

The fourth proportional to 2,707.20, 3,735.68 and 1,512.18 is: 2,086.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,707.20 : 3,735.68 = 1,512.18 : x
  2. Step 2: Convert to fraction form
    2,707.20/3,735.68 = 1,512.18/x
  3. Step 3: Cross multiply
    2,707.20x = 3,735.68 × 1,512.18
  4. Step 4: Simplify right side
    2,707.20x = 5,649,013.02
  5. Step 5: Solve for x
    x = 5,649,013.02/2,707.20
  6. Step 6: Final answer
    x = 2,086.66

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1.5x scale

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.