Home / 3,423.24-4,723.38-2,164.68

Finding the Fourth Proportional to 3,423.24, 4,723.38 and 2,164.68

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Solution

The fourth proportional to 3,423.24, 4,723.38 and 2,164.68 is: 2,986.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,423.24 : 4,723.38 = 2,164.68 : x
  2. Step 2: Convert to fraction form
    3,423.24/4,723.38 = 2,164.68/x
  3. Step 3: Cross multiply
    3,423.24x = 4,723.38 × 2,164.68
  4. Step 4: Simplify right side
    3,423.24x = 10,224,606.22
  5. Step 5: Solve for x
    x = 10,224,606.22/3,423.24
  6. Step 6: Final answer
    x = 2,986.82

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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.