Home / 2,267.28-3,400.90-623.82

Finding the Fourth Proportional to 2,267.28, 3,400.90 and 623.82

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Solution

The fourth proportional to 2,267.28, 3,400.90 and 623.82 is: 935.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,267.28 : 3,400.90 = 623.82 : x
  2. Step 2: Convert to fraction form
    2,267.28/3,400.90 = 623.82/x
  3. Step 3: Cross multiply
    2,267.28x = 3,400.90 × 623.82
  4. Step 4: Simplify right side
    2,267.28x = 2,121,549.44
  5. Step 5: Solve for x
    x = 2,121,549.44/2,267.28
  6. Step 6: Final answer
    x = 935.72

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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.