Home / 2,267.20-3,400.80-623.76

Finding the Fourth Proportional to 2,267.20, 3,400.80 and 623.76

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Solution

The fourth proportional to 2,267.20, 3,400.80 and 623.76 is: 935.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,267.20 : 3,400.80 = 623.76 : x
  2. Step 2: Convert to fraction form
    2,267.20/3,400.80 = 623.76/x
  3. Step 3: Cross multiply
    2,267.20x = 3,400.80 × 623.76
  4. Step 4: Simplify right side
    2,267.20x = 2,121,283.01
  5. Step 5: Solve for x
    x = 2,121,283.01/2,267.20
  6. Step 6: Final answer
    x = 935.64

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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.