Home / 3,801.42-5,245.74-2,230.02

Finding the Fourth Proportional to 3,801.42, 5,245.74 and 2,230.02

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Solution

The fourth proportional to 3,801.42, 5,245.74 and 2,230.02 is: 3,077.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,801.42 : 5,245.74 = 2,230.02 : x
  2. Step 2: Convert to fraction form
    3,801.42/5,245.74 = 2,230.02/x
  3. Step 3: Cross multiply
    3,801.42x = 5,245.74 × 2,230.02
  4. Step 4: Simplify right side
    3,801.42x = 11,698,105.11
  5. Step 5: Solve for x
    x = 11,698,105.11/3,801.42
  6. Step 6: Final answer
    x = 3,077.30

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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.