Home / 3,423.37-4,721.82-3,309.06

Finding the Fourth Proportional to 3,423.37, 4,721.82 and 3,309.06

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Solution

The fourth proportional to 3,423.37, 4,721.82 and 3,309.06 is: 4,564.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,423.37 : 4,721.82 = 3,309.06 : x
  2. Step 2: Convert to fraction form
    3,423.37/4,721.82 = 3,309.06/x
  3. Step 3: Cross multiply
    3,423.37x = 4,721.82 × 3,309.06
  4. Step 4: Simplify right side
    3,423.37x = 15,624,785.69
  5. Step 5: Solve for x
    x = 15,624,785.69/3,423.37
  6. Step 6: Final answer
    x = 4,564.15

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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.