Home / 2,819.38-4,230.51-2,056.18

Finding the Fourth Proportional to 2,819.38, 4,230.51 and 2,056.18

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Solution

The fourth proportional to 2,819.38, 4,230.51 and 2,056.18 is: 3,085.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819.38 : 4,230.51 = 2,056.18 : x
  2. Step 2: Convert to fraction form
    2,819.38/4,230.51 = 2,056.18/x
  3. Step 3: Cross multiply
    2,819.38x = 4,230.51 × 2,056.18
  4. Step 4: Simplify right side
    2,819.38x = 8,698,690.05
  5. Step 5: Solve for x
    x = 8,698,690.05/2,819.38
  6. Step 6: Final answer
    x = 3,085.32

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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.