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Finding the Fourth Proportional to 2,881.01, 4,318.31 and 1,645.70

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Solution

The fourth proportional to 2,881.01, 4,318.31 and 1,645.70 is: 2,466.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,881.01 : 4,318.31 = 1,645.70 : x
  2. Step 2: Convert to fraction form
    2,881.01/4,318.31 = 1,645.70/x
  3. Step 3: Cross multiply
    2,881.01x = 4,318.31 × 1,645.70
  4. Step 4: Simplify right side
    2,881.01x = 7,106,612.95
  5. Step 5: Solve for x
    x = 7,106,612.95/2,881.01
  6. Step 6: Final answer
    x = 2,466.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.