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Finding the Fourth Proportional to 1,344.63, 2,015.10 and 1,015.29

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Solution

The fourth proportional to 1,344.63, 2,015.10 and 1,015.29 is: 1,521.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344.63 : 2,015.10 = 1,015.29 : x
  2. Step 2: Convert to fraction form
    1,344.63/2,015.10 = 1,015.29/x
  3. Step 3: Cross multiply
    1,344.63x = 2,015.10 × 1,015.29
  4. Step 4: Simplify right side
    1,344.63x = 2,045,910.88
  5. Step 5: Solve for x
    x = 2,045,910.88/1,344.63
  6. Step 6: Final answer
    x = 1,521.54

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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.