Home / 3,285.72-4,534.38-1,793.70

Finding the Fourth Proportional to 3,285.72, 4,534.38 and 1,793.70

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Solution

The fourth proportional to 3,285.72, 4,534.38 and 1,793.70 is: 2,475.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,285.72 : 4,534.38 = 1,793.70 : x
  2. Step 2: Convert to fraction form
    3,285.72/4,534.38 = 1,793.70/x
  3. Step 3: Cross multiply
    3,285.72x = 4,534.38 × 1,793.70
  4. Step 4: Simplify right side
    3,285.72x = 8,133,317.41
  5. Step 5: Solve for x
    x = 8,133,317.41/3,285.72
  6. Step 6: Final answer
    x = 2,475.35

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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.