Home / 2,623.67-3,930.49-2,535.75

Finding the Fourth Proportional to 2,623.67, 3,930.49 and 2,535.75

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Solution

The fourth proportional to 2,623.67, 3,930.49 and 2,535.75 is: 3,798.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,623.67 : 3,930.49 = 2,535.75 : x
  2. Step 2: Convert to fraction form
    2,623.67/3,930.49 = 2,535.75/x
  3. Step 3: Cross multiply
    2,623.67x = 3,930.49 × 2,535.75
  4. Step 4: Simplify right side
    2,623.67x = 9,966,740.02
  5. Step 5: Solve for x
    x = 9,966,740.02/2,623.67
  6. Step 6: Final answer
    x = 3,798.78

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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.