Home / 2,828.52-4,245.38-1,442.85

Finding the Fourth Proportional to 2,828.52, 4,245.38 and 1,442.85

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Solution

The fourth proportional to 2,828.52, 4,245.38 and 1,442.85 is: 2,165.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,828.52 : 4,245.38 = 1,442.85 : x
  2. Step 2: Convert to fraction form
    2,828.52/4,245.38 = 1,442.85/x
  3. Step 3: Cross multiply
    2,828.52x = 4,245.38 × 1,442.85
  4. Step 4: Simplify right side
    2,828.52x = 6,125,446.53
  5. Step 5: Solve for x
    x = 6,125,446.53/2,828.52
  6. Step 6: Final answer
    x = 2,165.60

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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.