Home / 3,548.24-5,321.60-1,356.20

Finding the Fourth Proportional to 3,548.24, 5,321.60 and 1,356.20

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Solution

The fourth proportional to 3,548.24, 5,321.60 and 1,356.20 is: 2,034.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,548.24 : 5,321.60 = 1,356.20 : x
  2. Step 2: Convert to fraction form
    3,548.24/5,321.60 = 1,356.20/x
  3. Step 3: Cross multiply
    3,548.24x = 5,321.60 × 1,356.20
  4. Step 4: Simplify right side
    3,548.24x = 7,217,153.92
  5. Step 5: Solve for x
    x = 7,217,153.92/3,548.24
  6. Step 6: Final answer
    x = 2,034.01

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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.