Home / 3,623.08-5,430.70-1,775.44

Finding the Fourth Proportional to 3,623.08, 5,430.70 and 1,775.44

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Solution

The fourth proportional to 3,623.08, 5,430.70 and 1,775.44 is: 2,661.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,623.08 : 5,430.70 = 1,775.44 : x
  2. Step 2: Convert to fraction form
    3,623.08/5,430.70 = 1,775.44/x
  3. Step 3: Cross multiply
    3,623.08x = 5,430.70 × 1,775.44
  4. Step 4: Simplify right side
    3,623.08x = 9,641,882.01
  5. Step 5: Solve for x
    x = 9,641,882.01/3,623.08
  6. Step 6: Final answer
    x = 2,661.24

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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.