Home / 2,684.35-3,702.54-1,889.33

Finding the Fourth Proportional to 2,684.35, 3,702.54 and 1,889.33

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Solution

The fourth proportional to 2,684.35, 3,702.54 and 1,889.33 is: 2,605.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,684.35 : 3,702.54 = 1,889.33 : x
  2. Step 2: Convert to fraction form
    2,684.35/3,702.54 = 1,889.33/x
  3. Step 3: Cross multiply
    2,684.35x = 3,702.54 × 1,889.33
  4. Step 4: Simplify right side
    2,684.35x = 6,995,319.90
  5. Step 5: Solve for x
    x = 6,995,319.90/2,684.35
  6. Step 6: Final answer
    x = 2,605.96

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1.5x scale

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.