Home / 3,483.28-5,220.94-1,401.96

Finding the Fourth Proportional to 3,483.28, 5,220.94 and 1,401.96

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Solution

The fourth proportional to 3,483.28, 5,220.94 and 1,401.96 is: 2,101.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,483.28 : 5,220.94 = 1,401.96 : x
  2. Step 2: Convert to fraction form
    3,483.28/5,220.94 = 1,401.96/x
  3. Step 3: Cross multiply
    3,483.28x = 5,220.94 × 1,401.96
  4. Step 4: Simplify right side
    3,483.28x = 7,319,549.04
  5. Step 5: Solve for x
    x = 7,319,549.04/3,483.28
  6. Step 6: Final answer
    x = 2,101.34

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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.