Home / 3,674.30-5,511.91-1,209.36

Finding the Fourth Proportional to 3,674.30, 5,511.91 and 1,209.36

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Solution

The fourth proportional to 3,674.30, 5,511.91 and 1,209.36 is: 1,814.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,674.30 : 5,511.91 = 1,209.36 : x
  2. Step 2: Convert to fraction form
    3,674.30/5,511.91 = 1,209.36/x
  3. Step 3: Cross multiply
    3,674.30x = 5,511.91 × 1,209.36
  4. Step 4: Simplify right side
    3,674.30x = 6,665,883.48
  5. Step 5: Solve for x
    x = 6,665,883.48/3,674.30
  6. Step 6: Final answer
    x = 1,814.19

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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.