Home / 3,276.72-4,524.12-2,099.28

Finding the Fourth Proportional to 3,276.72, 4,524.12 and 2,099.28

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Solution

The fourth proportional to 3,276.72, 4,524.12 and 2,099.28 is: 2,898.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,276.72 : 4,524.12 = 2,099.28 : x
  2. Step 2: Convert to fraction form
    3,276.72/4,524.12 = 2,099.28/x
  3. Step 3: Cross multiply
    3,276.72x = 4,524.12 × 2,099.28
  4. Step 4: Simplify right side
    3,276.72x = 9,497,394.63
  5. Step 5: Solve for x
    x = 9,497,394.63/3,276.72
  6. Step 6: Final answer
    x = 2,898.45

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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.