Home / 3,165.21-4,367.12-2,046.20

Finding the Fourth Proportional to 3,165.21, 4,367.12 and 2,046.20

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Solution

The fourth proportional to 3,165.21, 4,367.12 and 2,046.20 is: 2,823.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,165.21 : 4,367.12 = 2,046.20 : x
  2. Step 2: Convert to fraction form
    3,165.21/4,367.12 = 2,046.20/x
  3. Step 3: Cross multiply
    3,165.21x = 4,367.12 × 2,046.20
  4. Step 4: Simplify right side
    3,165.21x = 8,935,968.88
  5. Step 5: Solve for x
    x = 8,935,968.88/3,165.21
  6. Step 6: Final answer
    x = 2,823.18

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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.