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Finding the Fourth Proportional to 3,392.55, 4,679.10 and 2,273.13

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Solution

The fourth proportional to 3,392.55, 4,679.10 and 2,273.13 is: 3,135.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,392.55 : 4,679.10 = 2,273.13 : x
  2. Step 2: Convert to fraction form
    3,392.55/4,679.10 = 2,273.13/x
  3. Step 3: Cross multiply
    3,392.55x = 4,679.10 × 2,273.13
  4. Step 4: Simplify right side
    3,392.55x = 10,636,202.58
  5. Step 5: Solve for x
    x = 10,636,202.58/3,392.55
  6. Step 6: Final answer
    x = 3,135.16

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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.