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Finding the Fourth Proportional to 1,254.84, 1,880.94 and 1,108.44

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Solution

The fourth proportional to 1,254.84, 1,880.94 and 1,108.44 is: 1,661.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254.84 : 1,880.94 = 1,108.44 : x
  2. Step 2: Convert to fraction form
    1,254.84/1,880.94 = 1,108.44/x
  3. Step 3: Cross multiply
    1,254.84x = 1,880.94 × 1,108.44
  4. Step 4: Simplify right side
    1,254.84x = 2,084,909.13
  5. Step 5: Solve for x
    x = 2,084,909.13/1,254.84
  6. Step 6: Final answer
    x = 1,661.49

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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.