Home / 2,764.43-3,815.47-1,702.72

Finding the Fourth Proportional to 2,764.43, 3,815.47 and 1,702.72

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Solution

The fourth proportional to 2,764.43, 3,815.47 and 1,702.72 is: 2,350.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,764.43 : 3,815.47 = 1,702.72 : x
  2. Step 2: Convert to fraction form
    2,764.43/3,815.47 = 1,702.72/x
  3. Step 3: Cross multiply
    2,764.43x = 3,815.47 × 1,702.72
  4. Step 4: Simplify right side
    2,764.43x = 6,496,683.98
  5. Step 5: Solve for x
    x = 6,496,683.98/2,764.43
  6. Step 6: Final answer
    x = 2,350.10

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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.