Home / 3,456.65-5,185.25-1,702.60

Finding the Fourth Proportional to 3,456.65, 5,185.25 and 1,702.60

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Solution

The fourth proportional to 3,456.65, 5,185.25 and 1,702.60 is: 2,554.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,456.65 : 5,185.25 = 1,702.60 : x
  2. Step 2: Convert to fraction form
    3,456.65/5,185.25 = 1,702.60/x
  3. Step 3: Cross multiply
    3,456.65x = 5,185.25 × 1,702.60
  4. Step 4: Simplify right side
    3,456.65x = 8,828,372.21
  5. Step 5: Solve for x
    x = 8,828,372.21/3,456.65
  6. Step 6: Final answer
    x = 2,554.03

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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.