Home / 3,247.21-4,478.05-2,301.33

Finding the Fourth Proportional to 3,247.21, 4,478.05 and 2,301.33

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Solution

The fourth proportional to 3,247.21, 4,478.05 and 2,301.33 is: 3,173.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,247.21 : 4,478.05 = 2,301.33 : x
  2. Step 2: Convert to fraction form
    3,247.21/4,478.05 = 2,301.33/x
  3. Step 3: Cross multiply
    3,247.21x = 4,478.05 × 2,301.33
  4. Step 4: Simplify right side
    3,247.21x = 10,305,470.81
  5. Step 5: Solve for x
    x = 10,305,470.81/3,247.21
  6. Step 6: Final answer
    x = 3,173.64

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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.