Home / 3,348.72-4,619.18-2,639.48

Finding the Fourth Proportional to 3,348.72, 4,619.18 and 2,639.48

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Solution

The fourth proportional to 3,348.72, 4,619.18 and 2,639.48 is: 3,640.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,348.72 : 4,619.18 = 2,639.48 : x
  2. Step 2: Convert to fraction form
    3,348.72/4,619.18 = 2,639.48/x
  3. Step 3: Cross multiply
    3,348.72x = 4,619.18 × 2,639.48
  4. Step 4: Simplify right side
    3,348.72x = 12,192,196.93
  5. Step 5: Solve for x
    x = 12,192,196.93/3,348.72
  6. Step 6: Final answer
    x = 3,640.85

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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.