Home / 3,366.80-4,640.28-2,702.48

Finding the Fourth Proportional to 3,366.80, 4,640.28 and 2,702.48

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Solution

The fourth proportional to 3,366.80, 4,640.28 and 2,702.48 is: 3,724.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,366.80 : 4,640.28 = 2,702.48 : x
  2. Step 2: Convert to fraction form
    3,366.80/4,640.28 = 2,702.48/x
  3. Step 3: Cross multiply
    3,366.80x = 4,640.28 × 2,702.48
  4. Step 4: Simplify right side
    3,366.80x = 12,540,263.89
  5. Step 5: Solve for x
    x = 12,540,263.89/3,366.80
  6. Step 6: Final answer
    x = 3,724.68

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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.