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Finding the Fourth Proportional to 3,377.73, 4,662.05 and 1,980.93

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Solution

The fourth proportional to 3,377.73, 4,662.05 and 1,980.93 is: 2,734.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,377.73 : 4,662.05 = 1,980.93 : x
  2. Step 2: Convert to fraction form
    3,377.73/4,662.05 = 1,980.93/x
  3. Step 3: Cross multiply
    3,377.73x = 4,662.05 × 1,980.93
  4. Step 4: Simplify right side
    3,377.73x = 9,235,184.80
  5. Step 5: Solve for x
    x = 9,235,184.80/3,377.73
  6. Step 6: Final answer
    x = 2,734.14

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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.