Home / 3,633.68-5,451.24-1,325.36

Finding the Fourth Proportional to 3,633.68, 5,451.24 and 1,325.36

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Solution

The fourth proportional to 3,633.68, 5,451.24 and 1,325.36 is: 1,988.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,633.68 : 5,451.24 = 1,325.36 : x
  2. Step 2: Convert to fraction form
    3,633.68/5,451.24 = 1,325.36/x
  3. Step 3: Cross multiply
    3,633.68x = 5,451.24 × 1,325.36
  4. Step 4: Simplify right side
    3,633.68x = 7,224,855.45
  5. Step 5: Solve for x
    x = 7,224,855.45/3,633.68
  6. Step 6: Final answer
    x = 1,988.30

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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.