Home / 3,962.85-5,475.96-3,770.70

Finding the Fourth Proportional to 3,962.85, 5,475.96 and 3,770.70

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Solution

The fourth proportional to 3,962.85, 5,475.96 and 3,770.70 is: 5,210.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,962.85 : 5,475.96 = 3,770.70 : x
  2. Step 2: Convert to fraction form
    3,962.85/5,475.96 = 3,770.70/x
  3. Step 3: Cross multiply
    3,962.85x = 5,475.96 × 3,770.70
  4. Step 4: Simplify right side
    3,962.85x = 20,648,202.37
  5. Step 5: Solve for x
    x = 20,648,202.37/3,962.85
  6. Step 6: Final answer
    x = 5,210.44

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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.