Home / 3,961.70-5,465.80-2,283.05

Finding the Fourth Proportional to 3,961.70, 5,465.80 and 2,283.05

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Solution

The fourth proportional to 3,961.70, 5,465.80 and 2,283.05 is: 3,149.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,961.70 : 5,465.80 = 2,283.05 : x
  2. Step 2: Convert to fraction form
    3,961.70/5,465.80 = 2,283.05/x
  3. Step 3: Cross multiply
    3,961.70x = 5,465.80 × 2,283.05
  4. Step 4: Simplify right side
    3,961.70x = 12,478,711.21
  5. Step 5: Solve for x
    x = 12,478,711.21/3,961.70
  6. Step 6: Final answer
    x = 3,149.84

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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.