Home / 3,123.28-4,682.36-2,514

Finding the Fourth Proportional to 3,123.28, 4,682.36 and 2,514

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Solution

The fourth proportional to 3,123.28, 4,682.36 and 2,514 is: 3,768.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,123.28 : 4,682.36 = 2,514 : x
  2. Step 2: Convert to fraction form
    3,123.28/4,682.36 = 2,514/x
  3. Step 3: Cross multiply
    3,123.28x = 4,682.36 × 2,514
  4. Step 4: Simplify right side
    3,123.28x = 11,771,453.04
  5. Step 5: Solve for x
    x = 11,771,453.04/3,123.28
  6. Step 6: Final answer
    x = 3,768.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.