Home / 1,819.96-2,517.46-1,702.42

Finding the Fourth Proportional to 1,819.96, 2,517.46 and 1,702.42

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Solution

The fourth proportional to 1,819.96, 2,517.46 and 1,702.42 is: 2,354.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819.96 : 2,517.46 = 1,702.42 : x
  2. Step 2: Convert to fraction form
    1,819.96/2,517.46 = 1,702.42/x
  3. Step 3: Cross multiply
    1,819.96x = 2,517.46 × 1,702.42
  4. Step 4: Simplify right side
    1,819.96x = 4,285,763.70
  5. Step 5: Solve for x
    x = 4,285,763.70/1,819.96
  6. Step 6: Final answer
    x = 2,354.87

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1.5x scale

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.