Home / 3,123.14-4,307.09-2,073.38

Finding the Fourth Proportional to 3,123.14, 4,307.09 and 2,073.38

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Solution

The fourth proportional to 3,123.14, 4,307.09 and 2,073.38 is: 2,859.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,123.14 : 4,307.09 = 2,073.38 : x
  2. Step 2: Convert to fraction form
    3,123.14/4,307.09 = 2,073.38/x
  3. Step 3: Cross multiply
    3,123.14x = 4,307.09 × 2,073.38
  4. Step 4: Simplify right side
    3,123.14x = 8,930,202.36
  5. Step 5: Solve for x
    x = 8,930,202.36/3,123.14
  6. Step 6: Final answer
    x = 2,859.37

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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.