Home / 2,634.12-3,635.07-1,455.20

Finding the Fourth Proportional to 2,634.12, 3,635.07 and 1,455.20

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Solution

The fourth proportional to 2,634.12, 3,635.07 and 1,455.20 is: 2,008.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,634.12 : 3,635.07 = 1,455.20 : x
  2. Step 2: Convert to fraction form
    2,634.12/3,635.07 = 1,455.20/x
  3. Step 3: Cross multiply
    2,634.12x = 3,635.07 × 1,455.20
  4. Step 4: Simplify right side
    2,634.12x = 5,289,735.69
  5. Step 5: Solve for x
    x = 5,289,735.69/2,634.12
  6. Step 6: Final answer
    x = 2,008.16

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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.