Home / 2,867.42-3,958.96-2,203.10

Finding the Fourth Proportional to 2,867.42, 3,958.96 and 2,203.10

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Solution

The fourth proportional to 2,867.42, 3,958.96 and 2,203.10 is: 3,041.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867.42 : 3,958.96 = 2,203.10 : x
  2. Step 2: Convert to fraction form
    2,867.42/3,958.96 = 2,203.10/x
  3. Step 3: Cross multiply
    2,867.42x = 3,958.96 × 2,203.10
  4. Step 4: Simplify right side
    2,867.42x = 8,721,984.78
  5. Step 5: Solve for x
    x = 8,721,984.78/2,867.42
  6. Step 6: Final answer
    x = 3,041.75

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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.