Home / 2,634.08-3,634.64-1,455.20

Finding the Fourth Proportional to 2,634.08, 3,634.64 and 1,455.20

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Solution

The fourth proportional to 2,634.08, 3,634.64 and 1,455.20 is: 2,007.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,634.08 : 3,634.64 = 1,455.20 : x
  2. Step 2: Convert to fraction form
    2,634.08/3,634.64 = 1,455.20/x
  3. Step 3: Cross multiply
    2,634.08x = 3,634.64 × 1,455.20
  4. Step 4: Simplify right side
    2,634.08x = 5,289,128.13
  5. Step 5: Solve for x
    x = 5,289,128.13/2,634.08
  6. Step 6: Final answer
    x = 2,007.96

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.