Home / 3,589.05-4,955.30-3,209.76

Finding the Fourth Proportional to 3,589.05, 4,955.30 and 3,209.76

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Solution

The fourth proportional to 3,589.05, 4,955.30 and 3,209.76 is: 4,431.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,589.05 : 4,955.30 = 3,209.76 : x
  2. Step 2: Convert to fraction form
    3,589.05/4,955.30 = 3,209.76/x
  3. Step 3: Cross multiply
    3,589.05x = 4,955.30 × 3,209.76
  4. Step 4: Simplify right side
    3,589.05x = 15,905,331.75
  5. Step 5: Solve for x
    x = 15,905,331.75/3,589.05
  6. Step 6: Final answer
    x = 4,431.63

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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.