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Finding the Fourth Proportional to 1,766.00, 2,650.07 and 671.29

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Solution

The fourth proportional to 1,766.00, 2,650.07 and 671.29 is: 1,007.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,766.00 : 2,650.07 = 671.29 : x
  2. Step 2: Convert to fraction form
    1,766.00/2,650.07 = 671.29/x
  3. Step 3: Cross multiply
    1,766.00x = 2,650.07 × 671.29
  4. Step 4: Simplify right side
    1,766.00x = 1,778,956.77
  5. Step 5: Solve for x
    x = 1,778,956.77/1,766.00
  6. Step 6: Final answer
    x = 1,007.34

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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.