Home / 3,634.04-5,451.60-1,325

Finding the Fourth Proportional to 3,634.04, 5,451.60 and 1,325

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Solution

The fourth proportional to 3,634.04, 5,451.60 and 1,325 is: 1,987.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,634.04 : 5,451.60 = 1,325 : x
  2. Step 2: Convert to fraction form
    3,634.04/5,451.60 = 1,325/x
  3. Step 3: Cross multiply
    3,634.04x = 5,451.60 × 1,325
  4. Step 4: Simplify right side
    3,634.04x = 7,223,370.00
  5. Step 5: Solve for x
    x = 7,223,370.00/3,634.04
  6. Step 6: Final answer
    x = 1,987.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.