Home / 2,301.12-3,450.54-1,377.72

Finding the Fourth Proportional to 2,301.12, 3,450.54 and 1,377.72

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Solution

The fourth proportional to 2,301.12, 3,450.54 and 1,377.72 is: 2,065.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,301.12 : 3,450.54 = 1,377.72 : x
  2. Step 2: Convert to fraction form
    2,301.12/3,450.54 = 1,377.72/x
  3. Step 3: Cross multiply
    2,301.12x = 3,450.54 × 1,377.72
  4. Step 4: Simplify right side
    2,301.12x = 4,753,877.97
  5. Step 5: Solve for x
    x = 4,753,877.97/2,301.12
  6. Step 6: Final answer
    x = 2,065.90

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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.