Home / 4,819.10-7,231.35-2,045.30

Finding the Fourth Proportional to 4,819.10, 7,231.35 and 2,045.30

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Solution

The fourth proportional to 4,819.10, 7,231.35 and 2,045.30 is: 3,069.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,819.10 : 7,231.35 = 2,045.30 : x
  2. Step 2: Convert to fraction form
    4,819.10/7,231.35 = 2,045.30/x
  3. Step 3: Cross multiply
    4,819.10x = 7,231.35 × 2,045.30
  4. Step 4: Simplify right side
    4,819.10x = 14,790,280.16
  5. Step 5: Solve for x
    x = 14,790,280.16/4,819.10
  6. Step 6: Final answer
    x = 3,069.10

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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.