Home / 3,675.08-5,512.56-1,209.92

Finding the Fourth Proportional to 3,675.08, 5,512.56 and 1,209.92

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Solution

The fourth proportional to 3,675.08, 5,512.56 and 1,209.92 is: 1,814.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,675.08 : 5,512.56 = 1,209.92 : x
  2. Step 2: Convert to fraction form
    3,675.08/5,512.56 = 1,209.92/x
  3. Step 3: Cross multiply
    3,675.08x = 5,512.56 × 1,209.92
  4. Step 4: Simplify right side
    3,675.08x = 6,669,756.60
  5. Step 5: Solve for x
    x = 6,669,756.60/3,675.08
  6. Step 6: Final answer
    x = 1,814.86

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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.