Home / 3,285.78-4,534.34-1,793.70

Finding the Fourth Proportional to 3,285.78, 4,534.34 and 1,793.70

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Solution

The fourth proportional to 3,285.78, 4,534.34 and 1,793.70 is: 2,475.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,285.78 : 4,534.34 = 1,793.70 : x
  2. Step 2: Convert to fraction form
    3,285.78/4,534.34 = 1,793.70/x
  3. Step 3: Cross multiply
    3,285.78x = 4,534.34 × 1,793.70
  4. Step 4: Simplify right side
    3,285.78x = 8,133,245.66
  5. Step 5: Solve for x
    x = 8,133,245.66/3,285.78
  6. Step 6: Final answer
    x = 2,475.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.