Home / 2,180.44-3,263.72-1,139.02

Finding the Fourth Proportional to 2,180.44, 3,263.72 and 1,139.02

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Solution

The fourth proportional to 2,180.44, 3,263.72 and 1,139.02 is: 1,704.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180.44 : 3,263.72 = 1,139.02 : x
  2. Step 2: Convert to fraction form
    2,180.44/3,263.72 = 1,139.02/x
  3. Step 3: Cross multiply
    2,180.44x = 3,263.72 × 1,139.02
  4. Step 4: Simplify right side
    2,180.44x = 3,717,442.35
  5. Step 5: Solve for x
    x = 3,717,442.35/2,180.44
  6. Step 6: Final answer
    x = 1,704.90

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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.