Home / 1,441.04-2,161.92-575.60

Finding the Fourth Proportional to 1,441.04, 2,161.92 and 575.60

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Solution

The fourth proportional to 1,441.04, 2,161.92 and 575.60 is: 863.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,441.04 : 2,161.92 = 575.60 : x
  2. Step 2: Convert to fraction form
    1,441.04/2,161.92 = 575.60/x
  3. Step 3: Cross multiply
    1,441.04x = 2,161.92 × 575.60
  4. Step 4: Simplify right side
    1,441.04x = 1,244,401.15
  5. Step 5: Solve for x
    x = 1,244,401.15/1,441.04
  6. Step 6: Final answer
    x = 863.54

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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.