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Finding the Fourth Proportional to 3,341.80, 4,611.80 and 1,850

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Solution

The fourth proportional to 3,341.80, 4,611.80 and 1,850 is: 2,553.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,341.80 : 4,611.80 = 1,850 : x
  2. Step 2: Convert to fraction form
    3,341.80/4,611.80 = 1,850/x
  3. Step 3: Cross multiply
    3,341.80x = 4,611.80 × 1,850
  4. Step 4: Simplify right side
    3,341.80x = 8,531,830
  5. Step 5: Solve for x
    x = 8,531,830/3,341.80
  6. Step 6: Final answer
    x = 2,553.06

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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.