Home / 2,702.85-3,730.76-1,583.38

Finding the Fourth Proportional to 2,702.85, 3,730.76 and 1,583.38

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Solution

The fourth proportional to 2,702.85, 3,730.76 and 1,583.38 is: 2,185.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,702.85 : 3,730.76 = 1,583.38 : x
  2. Step 2: Convert to fraction form
    2,702.85/3,730.76 = 1,583.38/x
  3. Step 3: Cross multiply
    2,702.85x = 3,730.76 × 1,583.38
  4. Step 4: Simplify right side
    2,702.85x = 5,907,213.45
  5. Step 5: Solve for x
    x = 5,907,213.45/2,702.85
  6. Step 6: Final answer
    x = 2,185.55

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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.