Home / 3,204.60-4,802.85-2,856.30

Finding the Fourth Proportional to 3,204.60, 4,802.85 and 2,856.30

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Solution

The fourth proportional to 3,204.60, 4,802.85 and 2,856.30 is: 4,280.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,204.60 : 4,802.85 = 2,856.30 : x
  2. Step 2: Convert to fraction form
    3,204.60/4,802.85 = 2,856.30/x
  3. Step 3: Cross multiply
    3,204.60x = 4,802.85 × 2,856.30
  4. Step 4: Simplify right side
    3,204.60x = 13,718,380.46
  5. Step 5: Solve for x
    x = 13,718,380.46/3,204.60
  6. Step 6: Final answer
    x = 4,280.84

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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.