Home / 1,554.43-2,331.39-629.95

Finding the Fourth Proportional to 1,554.43, 2,331.39 and 629.95

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Solution

The fourth proportional to 1,554.43, 2,331.39 and 629.95 is: 944.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554.43 : 2,331.39 = 629.95 : x
  2. Step 2: Convert to fraction form
    1,554.43/2,331.39 = 629.95/x
  3. Step 3: Cross multiply
    1,554.43x = 2,331.39 × 629.95
  4. Step 4: Simplify right side
    1,554.43x = 1,468,658.26
  5. Step 5: Solve for x
    x = 1,468,658.26/1,554.43
  6. Step 6: Final answer
    x = 944.82

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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.