Home / 3,787.50-5,227.16-2,216.91

Finding the Fourth Proportional to 3,787.50, 5,227.16 and 2,216.91

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Solution

The fourth proportional to 3,787.50, 5,227.16 and 2,216.91 is: 3,059.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,787.50 : 5,227.16 = 2,216.91 : x
  2. Step 2: Convert to fraction form
    3,787.50/5,227.16 = 2,216.91/x
  3. Step 3: Cross multiply
    3,787.50x = 5,227.16 × 2,216.91
  4. Step 4: Simplify right side
    3,787.50x = 11,588,132.19
  5. Step 5: Solve for x
    x = 11,588,132.19/3,787.50
  6. Step 6: Final answer
    x = 3,059.57

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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.