Home / 3,430.58-5,155.94-2,849.30

Finding the Fourth Proportional to 3,430.58, 5,155.94 and 2,849.30

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Solution

The fourth proportional to 3,430.58, 5,155.94 and 2,849.30 is: 4,282.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,430.58 : 5,155.94 = 2,849.30 : x
  2. Step 2: Convert to fraction form
    3,430.58/5,155.94 = 2,849.30/x
  3. Step 3: Cross multiply
    3,430.58x = 5,155.94 × 2,849.30
  4. Step 4: Simplify right side
    3,430.58x = 14,690,819.84
  5. Step 5: Solve for x
    x = 14,690,819.84/3,430.58
  6. Step 6: Final answer
    x = 4,282.31

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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.