Home / 3,539.22-4,885.43-3,039.85

Finding the Fourth Proportional to 3,539.22, 4,885.43 and 3,039.85

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Solution

The fourth proportional to 3,539.22, 4,885.43 and 3,039.85 is: 4,196.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,539.22 : 4,885.43 = 3,039.85 : x
  2. Step 2: Convert to fraction form
    3,539.22/4,885.43 = 3,039.85/x
  3. Step 3: Cross multiply
    3,539.22x = 4,885.43 × 3,039.85
  4. Step 4: Simplify right side
    3,539.22x = 14,850,974.39
  5. Step 5: Solve for x
    x = 14,850,974.39/3,539.22
  6. Step 6: Final answer
    x = 4,196.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.