Home / 3,082.42-4,618.77-2,787.58

Finding the Fourth Proportional to 3,082.42, 4,618.77 and 2,787.58

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Solution

The fourth proportional to 3,082.42, 4,618.77 and 2,787.58 is: 4,176.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,082.42 : 4,618.77 = 2,787.58 : x
  2. Step 2: Convert to fraction form
    3,082.42/4,618.77 = 2,787.58/x
  3. Step 3: Cross multiply
    3,082.42x = 4,618.77 × 2,787.58
  4. Step 4: Simplify right side
    3,082.42x = 12,875,190.88
  5. Step 5: Solve for x
    x = 12,875,190.88/3,082.42
  6. Step 6: Final answer
    x = 4,176.97

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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.