Home / 3,270.93-4,513.89-1,778.85

Finding the Fourth Proportional to 3,270.93, 4,513.89 and 1,778.85

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Solution

The fourth proportional to 3,270.93, 4,513.89 and 1,778.85 is: 2,454.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270.93 : 4,513.89 = 1,778.85 : x
  2. Step 2: Convert to fraction form
    3,270.93/4,513.89 = 1,778.85/x
  3. Step 3: Cross multiply
    3,270.93x = 4,513.89 × 1,778.85
  4. Step 4: Simplify right side
    3,270.93x = 8,029,533.23
  5. Step 5: Solve for x
    x = 8,029,533.23/3,270.93
  6. Step 6: Final answer
    x = 2,454.82

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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.