Home / 3,633.60-5,451.12-1,325.04

Finding the Fourth Proportional to 3,633.60, 5,451.12 and 1,325.04

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Solution

The fourth proportional to 3,633.60, 5,451.12 and 1,325.04 is: 1,987.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,633.60 : 5,451.12 = 1,325.04 : x
  2. Step 2: Convert to fraction form
    3,633.60/5,451.12 = 1,325.04/x
  3. Step 3: Cross multiply
    3,633.60x = 5,451.12 × 1,325.04
  4. Step 4: Simplify right side
    3,633.60x = 7,222,952.04
  5. Step 5: Solve for x
    x = 7,222,952.04/3,633.60
  6. Step 6: Final answer
    x = 1,987.82

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1.5x scale

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.