Home / 3,200.90-4,795.95-2,104.70

Finding the Fourth Proportional to 3,200.90, 4,795.95 and 2,104.70

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Solution

The fourth proportional to 3,200.90, 4,795.95 and 2,104.70 is: 3,153.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,200.90 : 4,795.95 = 2,104.70 : x
  2. Step 2: Convert to fraction form
    3,200.90/4,795.95 = 2,104.70/x
  3. Step 3: Cross multiply
    3,200.90x = 4,795.95 × 2,104.70
  4. Step 4: Simplify right side
    3,200.90x = 10,094,035.97
  5. Step 5: Solve for x
    x = 10,094,035.97/3,200.90
  6. Step 6: Final answer
    x = 3,153.50

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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.