Home / 3,421.19-5,132.60-1,199.69

Finding the Fourth Proportional to 3,421.19, 5,132.60 and 1,199.69

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Solution

The fourth proportional to 3,421.19, 5,132.60 and 1,199.69 is: 1,799.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,421.19 : 5,132.60 = 1,199.69 : x
  2. Step 2: Convert to fraction form
    3,421.19/5,132.60 = 1,199.69/x
  3. Step 3: Cross multiply
    3,421.19x = 5,132.60 × 1,199.69
  4. Step 4: Simplify right side
    3,421.19x = 6,157,522.90
  5. Step 5: Solve for x
    x = 6,157,522.90/3,421.19
  6. Step 6: Final answer
    x = 1,799.82

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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.