Home / 2,616.91-3,613.04-1,623.65

Finding the Fourth Proportional to 2,616.91, 3,613.04 and 1,623.65

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Solution

The fourth proportional to 2,616.91, 3,613.04 and 1,623.65 is: 2,241.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,616.91 : 3,613.04 = 1,623.65 : x
  2. Step 2: Convert to fraction form
    2,616.91/3,613.04 = 1,623.65/x
  3. Step 3: Cross multiply
    2,616.91x = 3,613.04 × 1,623.65
  4. Step 4: Simplify right side
    2,616.91x = 5,866,292.30
  5. Step 5: Solve for x
    x = 5,866,292.30/2,616.91
  6. Step 6: Final answer
    x = 2,241.69

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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.