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Finding the Fourth Proportional to 3,393.56, 4,680.68 and 2,764.10

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Solution

The fourth proportional to 3,393.56, 4,680.68 and 2,764.10 is: 3,812.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,393.56 : 4,680.68 = 2,764.10 : x
  2. Step 2: Convert to fraction form
    3,393.56/4,680.68 = 2,764.10/x
  3. Step 3: Cross multiply
    3,393.56x = 4,680.68 × 2,764.10
  4. Step 4: Simplify right side
    3,393.56x = 12,937,867.59
  5. Step 5: Solve for x
    x = 12,937,867.59/3,393.56
  6. Step 6: Final answer
    x = 3,812.48

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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.