Home / 2,729.12-4,094.05-1,085.84

Finding the Fourth Proportional to 2,729.12, 4,094.05 and 1,085.84

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Solution

The fourth proportional to 2,729.12, 4,094.05 and 1,085.84 is: 1,628.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,729.12 : 4,094.05 = 1,085.84 : x
  2. Step 2: Convert to fraction form
    2,729.12/4,094.05 = 1,085.84/x
  3. Step 3: Cross multiply
    2,729.12x = 4,094.05 × 1,085.84
  4. Step 4: Simplify right side
    2,729.12x = 4,445,483.25
  5. Step 5: Solve for x
    x = 4,445,483.25/2,729.12
  6. Step 6: Final answer
    x = 1,628.91

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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.