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Finding the Fourth Proportional to 1,881.35, 2,818.69 and 1,604.64

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Solution

The fourth proportional to 1,881.35, 2,818.69 and 1,604.64 is: 2,404.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,881.35 : 2,818.69 = 1,604.64 : x
  2. Step 2: Convert to fraction form
    1,881.35/2,818.69 = 1,604.64/x
  3. Step 3: Cross multiply
    1,881.35x = 2,818.69 × 1,604.64
  4. Step 4: Simplify right side
    1,881.35x = 4,522,968.14
  5. Step 5: Solve for x
    x = 4,522,968.14/1,881.35
  6. Step 6: Final answer
    x = 2,404.10

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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.