Home / 2,213.19-3,044.39-2,123.28

Finding the Fourth Proportional to 2,213.19, 3,044.39 and 2,123.28

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Solution

The fourth proportional to 2,213.19, 3,044.39 and 2,123.28 is: 2,920.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,213.19 : 3,044.39 = 2,123.28 : x
  2. Step 2: Convert to fraction form
    2,213.19/3,044.39 = 2,123.28/x
  3. Step 3: Cross multiply
    2,213.19x = 3,044.39 × 2,123.28
  4. Step 4: Simplify right side
    2,213.19x = 6,464,081.78
  5. Step 5: Solve for x
    x = 6,464,081.78/2,213.19
  6. Step 6: Final answer
    x = 2,920.71

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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.