Home / 3,623.67-5,423.76-1,976.13

Finding the Fourth Proportional to 3,623.67, 5,423.76 and 1,976.13

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Solution

The fourth proportional to 3,623.67, 5,423.76 and 1,976.13 is: 2,957.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,623.67 : 5,423.76 = 1,976.13 : x
  2. Step 2: Convert to fraction form
    3,623.67/5,423.76 = 1,976.13/x
  3. Step 3: Cross multiply
    3,623.67x = 5,423.76 × 1,976.13
  4. Step 4: Simplify right side
    3,623.67x = 10,718,054.85
  5. Step 5: Solve for x
    x = 10,718,054.85/3,623.67
  6. Step 6: Final answer
    x = 2,957.79

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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.