Home / 3,548.06-5,322.90-1,356.80

Finding the Fourth Proportional to 3,548.06, 5,322.90 and 1,356.80

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Solution

The fourth proportional to 3,548.06, 5,322.90 and 1,356.80 is: 2,035.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,548.06 : 5,322.90 = 1,356.80 : x
  2. Step 2: Convert to fraction form
    3,548.06/5,322.90 = 1,356.80/x
  3. Step 3: Cross multiply
    3,548.06x = 5,322.90 × 1,356.80
  4. Step 4: Simplify right side
    3,548.06x = 7,222,110.72
  5. Step 5: Solve for x
    x = 7,222,110.72/3,548.06
  6. Step 6: Final answer
    x = 2,035.51

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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.