Home / 3,382.72-4,668.70-2,123.96

Finding the Fourth Proportional to 3,382.72, 4,668.70 and 2,123.96

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Solution

The fourth proportional to 3,382.72, 4,668.70 and 2,123.96 is: 2,931.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,382.72 : 4,668.70 = 2,123.96 : x
  2. Step 2: Convert to fraction form
    3,382.72/4,668.70 = 2,123.96/x
  3. Step 3: Cross multiply
    3,382.72x = 4,668.70 × 2,123.96
  4. Step 4: Simplify right side
    3,382.72x = 9,916,132.05
  5. Step 5: Solve for x
    x = 9,916,132.05/3,382.72
  6. Step 6: Final answer
    x = 2,931.41

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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.