Home / 3,378.85-5,066.21-1,624.39

Finding the Fourth Proportional to 3,378.85, 5,066.21 and 1,624.39

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Solution

The fourth proportional to 3,378.85, 5,066.21 and 1,624.39 is: 2,435.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,378.85 : 5,066.21 = 1,624.39 : x
  2. Step 2: Convert to fraction form
    3,378.85/5,066.21 = 1,624.39/x
  3. Step 3: Cross multiply
    3,378.85x = 5,066.21 × 1,624.39
  4. Step 4: Simplify right side
    3,378.85x = 8,229,492.26
  5. Step 5: Solve for x
    x = 8,229,492.26/3,378.85
  6. Step 6: Final answer
    x = 2,435.59

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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.