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Finding the Fourth Proportional to 2,809.54, 4,205.04 and 2,501.99

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Solution

The fourth proportional to 2,809.54, 4,205.04 and 2,501.99 is: 3,744.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,809.54 : 4,205.04 = 2,501.99 : x
  2. Step 2: Convert to fraction form
    2,809.54/4,205.04 = 2,501.99/x
  3. Step 3: Cross multiply
    2,809.54x = 4,205.04 × 2,501.99
  4. Step 4: Simplify right side
    2,809.54x = 10,520,960.43
  5. Step 5: Solve for x
    x = 10,520,960.43/2,809.54
  6. Step 6: Final answer
    x = 3,744.73

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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.