Home / 2,634.55-3,635.64-1,455.64

Finding the Fourth Proportional to 2,634.55, 3,635.64 and 1,455.64

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Solution

The fourth proportional to 2,634.55, 3,635.64 and 1,455.64 is: 2,008.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,634.55 : 3,635.64 = 1,455.64 : x
  2. Step 2: Convert to fraction form
    2,634.55/3,635.64 = 1,455.64/x
  3. Step 3: Cross multiply
    2,634.55x = 3,635.64 × 1,455.64
  4. Step 4: Simplify right side
    2,634.55x = 5,292,173.92
  5. Step 5: Solve for x
    x = 5,292,173.92/2,634.55
  6. Step 6: Final answer
    x = 2,008.76

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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.