Home / 3,571.70-4,929.10-2,209.27

Finding the Fourth Proportional to 3,571.70, 4,929.10 and 2,209.27

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Solution

The fourth proportional to 3,571.70, 4,929.10 and 2,209.27 is: 3,048.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,571.70 : 4,929.10 = 2,209.27 : x
  2. Step 2: Convert to fraction form
    3,571.70/4,929.10 = 2,209.27/x
  3. Step 3: Cross multiply
    3,571.70x = 4,929.10 × 2,209.27
  4. Step 4: Simplify right side
    3,571.70x = 10,889,712.76
  5. Step 5: Solve for x
    x = 10,889,712.76/3,571.70
  6. Step 6: Final answer
    x = 3,048.89

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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.