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Finding the Fourth Proportional to 2,729.03, 4,095.02 and 1,085.60

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Solution

The fourth proportional to 2,729.03, 4,095.02 and 1,085.60 is: 1,628.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,729.03 : 4,095.02 = 1,085.60 : x
  2. Step 2: Convert to fraction form
    2,729.03/4,095.02 = 1,085.60/x
  3. Step 3: Cross multiply
    2,729.03x = 4,095.02 × 1,085.60
  4. Step 4: Simplify right side
    2,729.03x = 4,445,566.66
  5. Step 5: Solve for x
    x = 4,445,566.66/2,729.03
  6. Step 6: Final answer
    x = 1,628.99

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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.