Home / 3,787.42-5,226.66-2,215.18

Finding the Fourth Proportional to 3,787.42, 5,226.66 and 2,215.18

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Solution

The fourth proportional to 3,787.42, 5,226.66 and 2,215.18 is: 3,056.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,787.42 : 5,226.66 = 2,215.18 : x
  2. Step 2: Convert to fraction form
    3,787.42/5,226.66 = 2,215.18/x
  3. Step 3: Cross multiply
    3,787.42x = 5,226.66 × 2,215.18
  4. Step 4: Simplify right side
    3,787.42x = 11,577,992.70
  5. Step 5: Solve for x
    x = 11,577,992.70/3,787.42
  6. Step 6: Final answer
    x = 3,056.96

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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.