Home / 3,787.39-5,226.60-2,215.18

Finding the Fourth Proportional to 3,787.39, 5,226.60 and 2,215.18

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Solution

The fourth proportional to 3,787.39, 5,226.60 and 2,215.18 is: 3,056.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,787.39 : 5,226.60 = 2,215.18 : x
  2. Step 2: Convert to fraction form
    3,787.39/5,226.60 = 2,215.18/x
  3. Step 3: Cross multiply
    3,787.39x = 5,226.60 × 2,215.18
  4. Step 4: Simplify right side
    3,787.39x = 11,577,859.79
  5. Step 5: Solve for x
    x = 11,577,859.79/3,787.39
  6. Step 6: Final answer
    x = 3,056.95

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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.