Home / 3,539.78-4,885.48-3,446.18

Finding the Fourth Proportional to 3,539.78, 4,885.48 and 3,446.18

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Solution

The fourth proportional to 3,539.78, 4,885.48 and 3,446.18 is: 4,756.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,539.78 : 4,885.48 = 3,446.18 : x
  2. Step 2: Convert to fraction form
    3,539.78/4,885.48 = 3,446.18/x
  3. Step 3: Cross multiply
    3,539.78x = 4,885.48 × 3,446.18
  4. Step 4: Simplify right side
    3,539.78x = 16,836,243.47
  5. Step 5: Solve for x
    x = 16,836,243.47/3,539.78
  6. Step 6: Final answer
    x = 4,756.30

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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.