Home / 3,623.58-5,431.45-1,775.94

Finding the Fourth Proportional to 3,623.58, 5,431.45 and 1,775.94

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Solution

The fourth proportional to 3,623.58, 5,431.45 and 1,775.94 is: 2,661.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,623.58 : 5,431.45 = 1,775.94 : x
  2. Step 2: Convert to fraction form
    3,623.58/5,431.45 = 1,775.94/x
  3. Step 3: Cross multiply
    3,623.58x = 5,431.45 × 1,775.94
  4. Step 4: Simplify right side
    3,623.58x = 9,645,929.31
  5. Step 5: Solve for x
    x = 9,645,929.31/3,623.58
  6. Step 6: Final answer
    x = 2,661.99

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1.5x scale

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.