Home / 3,623.78-5,436.21-1,026.65

Finding the Fourth Proportional to 3,623.78, 5,436.21 and 1,026.65

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Solution

The fourth proportional to 3,623.78, 5,436.21 and 1,026.65 is: 1,540.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,623.78 : 5,436.21 = 1,026.65 : x
  2. Step 2: Convert to fraction form
    3,623.78/5,436.21 = 1,026.65/x
  3. Step 3: Cross multiply
    3,623.78x = 5,436.21 × 1,026.65
  4. Step 4: Simplify right side
    3,623.78x = 5,581,085.00
  5. Step 5: Solve for x
    x = 5,581,085.00/3,623.78
  6. Step 6: Final answer
    x = 1,540.13

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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.