Home / 1,554.15-2,331.64-629.50

Finding the Fourth Proportional to 1,554.15, 2,331.64 and 629.50

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Solution

The fourth proportional to 1,554.15, 2,331.64 and 629.50 is: 944.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554.15 : 2,331.64 = 629.50 : x
  2. Step 2: Convert to fraction form
    1,554.15/2,331.64 = 629.50/x
  3. Step 3: Cross multiply
    1,554.15x = 2,331.64 × 629.50
  4. Step 4: Simplify right side
    1,554.15x = 1,467,767.38
  5. Step 5: Solve for x
    x = 1,467,767.38/1,554.15
  6. Step 6: Final answer
    x = 944.42

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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.