Home / 1,554.74-2,331.52-629.98

Finding the Fourth Proportional to 1,554.74, 2,331.52 and 629.98

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Solution

The fourth proportional to 1,554.74, 2,331.52 and 629.98 is: 944.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554.74 : 2,331.52 = 629.98 : x
  2. Step 2: Convert to fraction form
    1,554.74/2,331.52 = 629.98/x
  3. Step 3: Cross multiply
    1,554.74x = 2,331.52 × 629.98
  4. Step 4: Simplify right side
    1,554.74x = 1,468,810.97
  5. Step 5: Solve for x
    x = 1,468,810.97/1,554.74
  6. Step 6: Final answer
    x = 944.73

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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.