Home / 1,551.23-2,326.86-396.98

Finding the Fourth Proportional to 1,551.23, 2,326.86 and 396.98

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Solution

The fourth proportional to 1,551.23, 2,326.86 and 396.98 is: 595.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551.23 : 2,326.86 = 396.98 : x
  2. Step 2: Convert to fraction form
    1,551.23/2,326.86 = 396.98/x
  3. Step 3: Cross multiply
    1,551.23x = 2,326.86 × 396.98
  4. Step 4: Simplify right side
    1,551.23x = 923,716.88
  5. Step 5: Solve for x
    x = 923,716.88/1,551.23
  6. Step 6: Final answer
    x = 595.47

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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.