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Finding the Fourth Proportional to 2,342.66, 3,515.26 and 881.70

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Solution

The fourth proportional to 2,342.66, 3,515.26 and 881.70 is: 1,323.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,342.66 : 3,515.26 = 881.70 : x
  2. Step 2: Convert to fraction form
    2,342.66/3,515.26 = 881.70/x
  3. Step 3: Cross multiply
    2,342.66x = 3,515.26 × 881.70
  4. Step 4: Simplify right side
    2,342.66x = 3,099,404.74
  5. Step 5: Solve for x
    x = 3,099,404.74/2,342.66
  6. Step 6: Final answer
    x = 1,323.03

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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.