Home / 3,960.39-5,466.05-2,545.84

Finding the Fourth Proportional to 3,960.39, 5,466.05 and 2,545.84

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Solution

The fourth proportional to 3,960.39, 5,466.05 and 2,545.84 is: 3,513.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,960.39 : 5,466.05 = 2,545.84 : x
  2. Step 2: Convert to fraction form
    3,960.39/5,466.05 = 2,545.84/x
  3. Step 3: Cross multiply
    3,960.39x = 5,466.05 × 2,545.84
  4. Step 4: Simplify right side
    3,960.39x = 13,915,688.73
  5. Step 5: Solve for x
    x = 13,915,688.73/3,960.39
  6. Step 6: Final answer
    x = 3,513.72

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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.