Home / 1,725.15-2,379.94-1,165.44

Finding the Fourth Proportional to 1,725.15, 2,379.94 and 1,165.44

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Solution

The fourth proportional to 1,725.15, 2,379.94 and 1,165.44 is: 1,607.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,725.15 : 2,379.94 = 1,165.44 : x
  2. Step 2: Convert to fraction form
    1,725.15/2,379.94 = 1,165.44/x
  3. Step 3: Cross multiply
    1,725.15x = 2,379.94 × 1,165.44
  4. Step 4: Simplify right side
    1,725.15x = 2,773,674.36
  5. Step 5: Solve for x
    x = 2,773,674.36/1,725.15
  6. Step 6: Final answer
    x = 1,607.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.