Home / 4,070.25-5,621.20-3,020.49

Finding the Fourth Proportional to 4,070.25, 5,621.20 and 3,020.49

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Solution

The fourth proportional to 4,070.25, 5,621.20 and 3,020.49 is: 4,171.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,070.25 : 5,621.20 = 3,020.49 : x
  2. Step 2: Convert to fraction form
    4,070.25/5,621.20 = 3,020.49/x
  3. Step 3: Cross multiply
    4,070.25x = 5,621.20 × 3,020.49
  4. Step 4: Simplify right side
    4,070.25x = 16,978,770.84
  5. Step 5: Solve for x
    x = 16,978,770.84/4,070.25
  6. Step 6: Final answer
    x = 4,171.43

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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.