Home / 2,720.36-3,754.06-1,525.46

Finding the Fourth Proportional to 2,720.36, 3,754.06 and 1,525.46

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Solution

The fourth proportional to 2,720.36, 3,754.06 and 1,525.46 is: 2,105.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,720.36 : 3,754.06 = 1,525.46 : x
  2. Step 2: Convert to fraction form
    2,720.36/3,754.06 = 1,525.46/x
  3. Step 3: Cross multiply
    2,720.36x = 3,754.06 × 1,525.46
  4. Step 4: Simplify right side
    2,720.36x = 5,726,645.78
  5. Step 5: Solve for x
    x = 5,726,645.78/2,720.36
  6. Step 6: Final answer
    x = 2,105.10

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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.