Home / 3,208.60-4,812.90-3,184.30

Finding the Fourth Proportional to 3,208.60, 4,812.90 and 3,184.30

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Solution

The fourth proportional to 3,208.60, 4,812.90 and 3,184.30 is: 4,776.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208.60 : 4,812.90 = 3,184.30 : x
  2. Step 2: Convert to fraction form
    3,208.60/4,812.90 = 3,184.30/x
  3. Step 3: Cross multiply
    3,208.60x = 4,812.90 × 3,184.30
  4. Step 4: Simplify right side
    3,208.60x = 15,325,717.47
  5. Step 5: Solve for x
    x = 15,325,717.47/3,208.60
  6. Step 6: Final answer
    x = 4,776.45

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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.