Home / 1,548.38-2,322.54-623.91

Finding the Fourth Proportional to 1,548.38, 2,322.54 and 623.91

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Solution

The fourth proportional to 1,548.38, 2,322.54 and 623.91 is: 935.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,548.38 : 2,322.54 = 623.91 : x
  2. Step 2: Convert to fraction form
    1,548.38/2,322.54 = 623.91/x
  3. Step 3: Cross multiply
    1,548.38x = 2,322.54 × 623.91
  4. Step 4: Simplify right side
    1,548.38x = 1,449,054.37
  5. Step 5: Solve for x
    x = 1,449,054.37/1,548.38
  6. Step 6: Final answer
    x = 935.85

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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.