Home / 1,835.52-2,531.20-1,205.85

Finding the Fourth Proportional to 1,835.52, 2,531.20 and 1,205.85

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Solution

The fourth proportional to 1,835.52, 2,531.20 and 1,205.85 is: 1,662.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,835.52 : 2,531.20 = 1,205.85 : x
  2. Step 2: Convert to fraction form
    1,835.52/2,531.20 = 1,205.85/x
  3. Step 3: Cross multiply
    1,835.52x = 2,531.20 × 1,205.85
  4. Step 4: Simplify right side
    1,835.52x = 3,052,247.52
  5. Step 5: Solve for x
    x = 3,052,247.52/1,835.52
  6. Step 6: Final answer
    x = 1,662.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.