Home / 3,453.36-5,182.20-1,401.36

Finding the Fourth Proportional to 3,453.36, 5,182.20 and 1,401.36

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Solution

The fourth proportional to 3,453.36, 5,182.20 and 1,401.36 is: 2,102.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453.36 : 5,182.20 = 1,401.36 : x
  2. Step 2: Convert to fraction form
    3,453.36/5,182.20 = 1,401.36/x
  3. Step 3: Cross multiply
    3,453.36x = 5,182.20 × 1,401.36
  4. Step 4: Simplify right side
    3,453.36x = 7,262,127.79
  5. Step 5: Solve for x
    x = 7,262,127.79/3,453.36
  6. Step 6: Final answer
    x = 2,102.92

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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.