Home / 3,489.05-4,812.11-2,295.27

Finding the Fourth Proportional to 3,489.05, 4,812.11 and 2,295.27

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Solution

The fourth proportional to 3,489.05, 4,812.11 and 2,295.27 is: 3,165.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,489.05 : 4,812.11 = 2,295.27 : x
  2. Step 2: Convert to fraction form
    3,489.05/4,812.11 = 2,295.27/x
  3. Step 3: Cross multiply
    3,489.05x = 4,812.11 × 2,295.27
  4. Step 4: Simplify right side
    3,489.05x = 11,045,056.18
  5. Step 5: Solve for x
    x = 11,045,056.18/3,489.05
  6. Step 6: Final answer
    x = 3,165.63

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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.