Home / 1,554.40-2,331.69-629.94

Finding the Fourth Proportional to 1,554.40, 2,331.69 and 629.94

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Solution

The fourth proportional to 1,554.40, 2,331.69 and 629.94 is: 944.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554.40 : 2,331.69 = 629.94 : x
  2. Step 2: Convert to fraction form
    1,554.40/2,331.69 = 629.94/x
  3. Step 3: Cross multiply
    1,554.40x = 2,331.69 × 629.94
  4. Step 4: Simplify right side
    1,554.40x = 1,468,824.80
  5. Step 5: Solve for x
    x = 1,468,824.80/1,554.40
  6. Step 6: Final answer
    x = 944.95

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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.