Home / 3,369.28-4,640.88-2,623.18

Finding the Fourth Proportional to 3,369.28, 4,640.88 and 2,623.18

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Solution

The fourth proportional to 3,369.28, 4,640.88 and 2,623.18 is: 3,613.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,369.28 : 4,640.88 = 2,623.18 : x
  2. Step 2: Convert to fraction form
    3,369.28/4,640.88 = 2,623.18/x
  3. Step 3: Cross multiply
    3,369.28x = 4,640.88 × 2,623.18
  4. Step 4: Simplify right side
    3,369.28x = 12,173,863.60
  5. Step 5: Solve for x
    x = 12,173,863.60/3,369.28
  6. Step 6: Final answer
    x = 3,613.19

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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.