Home / 3,187.63-4,790.55-3,169.40

Finding the Fourth Proportional to 3,187.63, 4,790.55 and 3,169.40

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Solution

The fourth proportional to 3,187.63, 4,790.55 and 3,169.40 is: 4,763.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,187.63 : 4,790.55 = 3,169.40 : x
  2. Step 2: Convert to fraction form
    3,187.63/4,790.55 = 3,169.40/x
  3. Step 3: Cross multiply
    3,187.63x = 4,790.55 × 3,169.40
  4. Step 4: Simplify right side
    3,187.63x = 15,183,169.17
  5. Step 5: Solve for x
    x = 15,183,169.17/3,187.63
  6. Step 6: Final answer
    x = 4,763.15

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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.