Home / 1,554.31-2,331.46-629.88

Finding the Fourth Proportional to 1,554.31, 2,331.46 and 629.88

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Solution

The fourth proportional to 1,554.31, 2,331.46 and 629.88 is: 944.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554.31 : 2,331.46 = 629.88 : x
  2. Step 2: Convert to fraction form
    1,554.31/2,331.46 = 629.88/x
  3. Step 3: Cross multiply
    1,554.31x = 2,331.46 × 629.88
  4. Step 4: Simplify right side
    1,554.31x = 1,468,541.60
  5. Step 5: Solve for x
    x = 1,468,541.60/1,554.31
  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.