Home / 2,586.84-3,880.26-2,201.28

Finding the Fourth Proportional to 2,586.84, 3,880.26 and 2,201.28

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Solution

The fourth proportional to 2,586.84, 3,880.26 and 2,201.28 is: 3,301.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,586.84 : 3,880.26 = 2,201.28 : x
  2. Step 2: Convert to fraction form
    2,586.84/3,880.26 = 2,201.28/x
  3. Step 3: Cross multiply
    2,586.84x = 3,880.26 × 2,201.28
  4. Step 4: Simplify right side
    2,586.84x = 8,541,538.73
  5. Step 5: Solve for x
    x = 8,541,538.73/2,586.84
  6. Step 6: Final answer
    x = 3,301.92

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Similar ratio
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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.