Home / 3,449.22-4,749.21-3,207.30

Finding the Fourth Proportional to 3,449.22, 4,749.21 and 3,207.30

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Solution

The fourth proportional to 3,449.22, 4,749.21 and 3,207.30 is: 4,416.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,449.22 : 4,749.21 = 3,207.30 : x
  2. Step 2: Convert to fraction form
    3,449.22/4,749.21 = 3,207.30/x
  3. Step 3: Cross multiply
    3,449.22x = 4,749.21 × 3,207.30
  4. Step 4: Simplify right side
    3,449.22x = 15,232,141.23
  5. Step 5: Solve for x
    x = 15,232,141.23/3,449.22
  6. Step 6: Final answer
    x = 4,416.11

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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.