Home / 3,135.27-4,702.37-1,285.23

Finding the Fourth Proportional to 3,135.27, 4,702.37 and 1,285.23

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Solution

The fourth proportional to 3,135.27, 4,702.37 and 1,285.23 is: 1,927.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.27 : 4,702.37 = 1,285.23 : x
  2. Step 2: Convert to fraction form
    3,135.27/4,702.37 = 1,285.23/x
  3. Step 3: Cross multiply
    3,135.27x = 4,702.37 × 1,285.23
  4. Step 4: Simplify right side
    3,135.27x = 6,043,620.57
  5. Step 5: Solve for x
    x = 6,043,620.57/3,135.27
  6. Step 6: Final answer
    x = 1,927.62

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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.