Home / 3,549.87-5,321.75-1,360.13

Finding the Fourth Proportional to 3,549.87, 5,321.75 and 1,360.13

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Solution

The fourth proportional to 3,549.87, 5,321.75 and 1,360.13 is: 2,039.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,549.87 : 5,321.75 = 1,360.13 : x
  2. Step 2: Convert to fraction form
    3,549.87/5,321.75 = 1,360.13/x
  3. Step 3: Cross multiply
    3,549.87x = 5,321.75 × 1,360.13
  4. Step 4: Simplify right side
    3,549.87x = 7,238,238.42
  5. Step 5: Solve for x
    x = 7,238,238.42/3,549.87
  6. Step 6: Final answer
    x = 2,039.02

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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.