Home / 2,720.60-3,754.36-1,525.48

Finding the Fourth Proportional to 2,720.60, 3,754.36 and 1,525.48

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Solution

The fourth proportional to 2,720.60, 3,754.36 and 1,525.48 is: 2,105.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,720.60 : 3,754.36 = 1,525.48 : x
  2. Step 2: Convert to fraction form
    2,720.60/3,754.36 = 1,525.48/x
  3. Step 3: Cross multiply
    2,720.60x = 3,754.36 × 1,525.48
  4. Step 4: Simplify right side
    2,720.60x = 5,727,201.09
  5. Step 5: Solve for x
    x = 5,727,201.09/2,720.60
  6. Step 6: Final answer
    x = 2,105.12

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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.