Home / 3,660.21-5,492.48-1,353.33

Finding the Fourth Proportional to 3,660.21, 5,492.48 and 1,353.33

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Solution

The fourth proportional to 3,660.21, 5,492.48 and 1,353.33 is: 2,030.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,660.21 : 5,492.48 = 1,353.33 : x
  2. Step 2: Convert to fraction form
    3,660.21/5,492.48 = 1,353.33/x
  3. Step 3: Cross multiply
    3,660.21x = 5,492.48 × 1,353.33
  4. Step 4: Simplify right side
    3,660.21x = 7,433,131.19
  5. Step 5: Solve for x
    x = 7,433,131.19/3,660.21
  6. Step 6: Final answer
    x = 2,030.79

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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.