Home / 2,720.09-3,753.81-1,525.12

Finding the Fourth Proportional to 2,720.09, 3,753.81 and 1,525.12

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Solution

The fourth proportional to 2,720.09, 3,753.81 and 1,525.12 is: 2,104.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,720.09 : 3,753.81 = 1,525.12 : x
  2. Step 2: Convert to fraction form
    2,720.09/3,753.81 = 1,525.12/x
  3. Step 3: Cross multiply
    2,720.09x = 3,753.81 × 1,525.12
  4. Step 4: Simplify right side
    2,720.09x = 5,725,015.40
  5. Step 5: Solve for x
    x = 5,725,015.40/2,720.09
  6. Step 6: Final answer
    x = 2,104.72

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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.