Home / 3,400.22-5,100.42-1,209.18

Finding the Fourth Proportional to 3,400.22, 5,100.42 and 1,209.18

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Solution

The fourth proportional to 3,400.22, 5,100.42 and 1,209.18 is: 1,813.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,400.22 : 5,100.42 = 1,209.18 : x
  2. Step 2: Convert to fraction form
    3,400.22/5,100.42 = 1,209.18/x
  3. Step 3: Cross multiply
    3,400.22x = 5,100.42 × 1,209.18
  4. Step 4: Simplify right side
    3,400.22x = 6,167,325.86
  5. Step 5: Solve for x
    x = 6,167,325.86/3,400.22
  6. Step 6: Final answer
    x = 1,813.80

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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.