Home / 3,423.90-5,125.77-3,190.62

Finding the Fourth Proportional to 3,423.90, 5,125.77 and 3,190.62

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Solution

The fourth proportional to 3,423.90, 5,125.77 and 3,190.62 is: 4,776.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,423.90 : 5,125.77 = 3,190.62 : x
  2. Step 2: Convert to fraction form
    3,423.90/5,125.77 = 3,190.62/x
  3. Step 3: Cross multiply
    3,423.90x = 5,125.77 × 3,190.62
  4. Step 4: Simplify right side
    3,423.90x = 16,354,384.28
  5. Step 5: Solve for x
    x = 16,354,384.28/3,423.90
  6. Step 6: Final answer
    x = 4,776.54

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1.5x scale

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.