Home / 3,548.30-5,320.62-1,356.75

Finding the Fourth Proportional to 3,548.30, 5,320.62 and 1,356.75

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Solution

The fourth proportional to 3,548.30, 5,320.62 and 1,356.75 is: 2,034.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,548.30 : 5,320.62 = 1,356.75 : x
  2. Step 2: Convert to fraction form
    3,548.30/5,320.62 = 1,356.75/x
  3. Step 3: Cross multiply
    3,548.30x = 5,320.62 × 1,356.75
  4. Step 4: Simplify right side
    3,548.30x = 7,218,751.19
  5. Step 5: Solve for x
    x = 7,218,751.19/3,548.30
  6. Step 6: Final answer
    x = 2,034.43

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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.