Home / 3,456.90-5,185.62-1,702.85

Finding the Fourth Proportional to 3,456.90, 5,185.62 and 1,702.85

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Solution

The fourth proportional to 3,456.90, 5,185.62 and 1,702.85 is: 2,554.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,456.90 : 5,185.62 = 1,702.85 : x
  2. Step 2: Convert to fraction form
    3,456.90/5,185.62 = 1,702.85/x
  3. Step 3: Cross multiply
    3,456.90x = 5,185.62 × 1,702.85
  4. Step 4: Simplify right side
    3,456.90x = 8,830,307.09
  5. Step 5: Solve for x
    x = 8,830,307.09/3,456.90
  6. Step 6: Final answer
    x = 2,554.40

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1.5x scale

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.